Sayaka Ishii vs Carol Zhao Head-to-Head Stats & Results
H2H Record
1 - 0
Wins
100% - 0%
Sets Won
2 - 0
Sayaka Ishii has won more matches in head to head against Carol Zhao
Verdict : Sayaka Ishii has won more matches in head to head against Carol Zhao
H2H Stats
Latest Results
ALL SURFACES
HARD •
CLAY •
GRASS •
Head-to-Head - Full Stats
Performance
Profile
Data Point
Sayaka Ishii
Carol Zhao
Prize Money
Career
Career
$78,090USD
$734,313USD
Current Rank
641
408
Wins
H2H
H2H
1(100.0%)
0(0.0%)
Sets Won
H2H
H2H
2(100.0%)
0(0.0%)
Win Percentage
2026 Calendar Year
2026 Calendar Year
50.0%5 / 10 Matches
34.6%9 / 26 Matches
Win Percentage
Last 12 Months
Last 12 Months
50.0%12 / 24 Matches
34.6%9 / 26 Matches
Data Point
Sayaka Ishii
Carol Zhao
Main Hand
Right-handed
Right-handed
Age
20
30
Birthday
August 31, 2005
June 20, 1995
Height
-m
1.68m
Weight
-kg
-kg
Head-to-Head Record
No head-to-head record between Sayaka Ishii and Carol Zhao. This might be their first match.
Win Percentage (Match / Set)
2026 Calendar Year
Last 12 Months
Data Point
Sayaka Ishii
Carol Zhao
Match Wins
50%
35%
Match Wins (3 Sets)
50%
36%
Wins in Straight Sets
30%
23%
Wins From Behind
17%
6%
Won At Least 1 Set
60%
58%
Set 1 Win
40%
38%
Set 2 Win
50%
44%
Set 3 Win
67%
33%
Data Point
Sayaka Ishii
Carol Zhao
Match Wins
50%
35%
Match Wins (3 Sets)
50%
36%
Wins in Straight Sets
21%
23%
Wins From Behind
20%
6%
Won At Least 1 Set
54%
58%
Set 1 Win
38%
38%
Set 2 Win
38%
44%
Set 3 Win
88%
33%
Aces - Over/Under, Match Total, Average (3 Set Matches)
2026 Calendar Year
Last 12 Months
Milestones
Over
Under
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Aces Per Match
N/A
1.00
N/A
Most Aces in a match
N/A
27%
N/A
1+
N/A
47%
N/A
2+
N/A
40%
N/A
3+
N/A
13%
N/A
4+
N/A
0%
N/A
5+
N/A
0%
N/A
6+
N/A
0%
N/A
7+
N/A
0%
N/A
8+
N/A
0%
N/A
9+
N/A
0%
N/A
10+
N/A
0%
N/A
15+
N/A
0%
N/A
20+
N/A
0%
N/A
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Over 0.5
N/A
47%
N/A
Over 1.5
N/A
40%
N/A
Over 2.5
N/A
13%
N/A
Over 3.5
N/A
0%
N/A
Over 4.5
N/A
0%
N/A
Over 5.5
N/A
0%
N/A
Over 6.5
N/A
0%
N/A
Over 7.5
N/A
0%
N/A
Over 8.5
N/A
0%
N/A
Over 9.5
N/A
0%
N/A
Over 10.5
N/A
0%
N/A
Over 11.5
N/A
0%
N/A
Over 12.5
N/A
0%
N/A
Over 13.5
N/A
0%
N/A
Over 14.5
N/A
0%
N/A
Over 15.5
N/A
0%
N/A
Over 16.5
N/A
0%
N/A
Over 17.5
N/A
0%
N/A
Over 18.5
N/A
0%
N/A
Over 19.5
N/A
0%
N/A
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Under 0.5
N/A
53%
6%
Under 1.5
N/A
60%
13%
Under 2.5
N/A
87%
23%
Under 3.5
N/A
100%
30%
Under 4.5
N/A
100%
33%
Under 5.5
N/A
100%
36%
Under 6.5
N/A
100%
40%
Under 7.5
N/A
100%
40%
Under 8.5
N/A
100%
40%
Under 9.5
N/A
100%
46%
Under 10.5
N/A
100%
50%
Under 11.5
N/A
100%
50%
Under 12.5
N/A
100%
50%
Under 13.5
N/A
100%
50%
Under 14.5
N/A
100%
50%
Milestones
Over
Under
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Aces Per Match
1.70
1.00
2.70
Most Aces in a match
30%
27%
N/A
1+
80%
47%
89%
2+
40%
40%
77%
3+
20%
13%
62%
4+
20%
0%
55%
5+
10%
0%
42%
6+
0%
0%
39%
7+
0%
0%
20%
8+
0%
0%
20%
9+
0%
0%
20%
10+
0%
0%
9%
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Over 0.5
80%
47%
89%
Over 1.5
40%
40%
77%
Over 2.5
20%
13%
62%
Over 3.5
20%
0%
55%
Over 4.5
10%
0%
42%
Over 5.5
0%
0%
39%
Over 6.5
0%
0%
20%
Over 7.5
0%
0%
20%
Over 8.5
0%
0%
20%
Over 9.5
0%
0%
9%
Over 10.5
0%
0%
0%
Over 11.5
0%
0%
0%
Over 12.5
0%
0%
0%
Over 13.5
0%
0%
0%
Over 14.5
0%
0%
0%
Over 15.5
0%
0%
0%
Over 16.5
0%
0%
0%
Over 17.5
0%
0%
0%
Over 18.5
0%
0%
0%
Over 19.5
0%
0%
0%
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Under 0.5
20%
53%
12%
Under 1.5
60%
60%
24%
Under 2.5
80%
87%
39%
Under 3.5
80%
100%
45%
Under 4.5
90%
100%
59%
Under 5.5
100%
100%
62%
Under 6.5
100%
100%
80%
Under 7.5
100%
100%
80%
Under 8.5
100%
100%
80%
Under 9.5
100%
100%
92%
Under 10.5
100%
100%
100%
Under 11.5
100%
100%
100%
Under 12.5
100%
100%
100%
Under 13.5
100%
100%
100%
Under 14.5
100%
100%
100%
Match Total Games - Over/Under
2026 Calendar Year
Last 12 Months
Total Games In A Set
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Average
Average Games in a Set
9.1
9.62
9.36
Over 6.5
80%
92%
86%
Over 7.5
80%
72%
76%
Over 8.5
80%
68%
74%
Over 9.5
40%
48%
44%
Over 10.5
10%
28%
19%
Over 11.5
10%
28%
19%
Over 12.5
10%
12%
11%
Data Point
Sayaka Ishii
Carol Zhao
Average
Over 12.5
90%
92%
91%
Over 13.5
80%
92%
86%
Over 14.5
80%
92%
86%
Over 15.5
80%
88%
84%
Over 16.5
80%
88%
84%
Over 17.5
80%
80%
80%
Over 18.5
70%
60%
65%
Over 19.5
60%
52%
56%
Over 20.5
50%
52%
51%
Over 21.5
30%
36%
33%
Over 22.5
30%
36%
33%
Over 23.5
30%
36%
33%
Over 24.5
30%
36%
33%
Over 25.5
30%
32%
31%
Over 26.5
30%
24%
27%
Over 27.5
20%
16%
18%
Over 28.5
10%
16%
13%
Over 29.5
10%
16%
13%
Total Games In A Set
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Average
Average Games in a Set
9.08
9.62
9.35
Over 6.5
92%
92%
92%
Over 7.5
79%
72%
76%
Over 8.5
71%
68%
70%
Over 9.5
38%
48%
43%
Over 10.5
13%
28%
21%
Over 11.5
13%
28%
21%
Over 12.5
4%
12%
8%
Data Point
Sayaka Ishii
Carol Zhao
Average
Over 12.5
96%
92%
94%
Over 13.5
92%
92%
92%
Over 14.5
92%
92%
92%
Over 15.5
83%
88%
86%
Over 16.5
79%
88%
84%
Over 17.5
79%
80%
80%
Over 18.5
75%
60%
68%
Over 19.5
63%
52%
58%
Over 20.5
54%
52%
53%
Over 21.5
42%
36%
39%
Over 22.5
33%
36%
35%
Over 23.5
29%
36%
33%
Over 24.5
29%
36%
33%
Over 25.5
29%
32%
31%
Over 26.5
29%
24%
27%
Over 27.5
21%
16%
19%
Over 28.5
17%
16%
17%
Over 29.5
13%
16%
15%
Break of Serve (Break Points Won) - Over/Under
2026 Calendar Year
Last 12 Months
3 Set Matches
Breaks Per Set
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Breaks Per Match
N/A
3.77
N/A
Over 0.5
N/A
93%
N/A
Over 1.5
N/A
87%
N/A
Over 2.5
N/A
53%
N/A
Over 3.5
N/A
40%
N/A
Over 4.5
N/A
27%
N/A
Over 5.5
N/A
20%
N/A
Over 6.5
N/A
7%
N/A
Over 7.5
N/A
7%
N/A
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Average Break-Points Converted (Set 1)
N/A
2.03
N/A
Average Break-Points Converted (Set 2)
N/A
1.25
N/A
Average Break-Points Converted (Set 3)
N/A
1.7
N/A
will Break Serve %
N/A
53%
N/A
will not Break Serve %
N/A
54%
N/A
Over 0.5
N/A
87%
N/A
Over 1.5
N/A
47%
N/A
Over 2.5
N/A
20%
N/A
Over 3.5
N/A
7%
N/A
Over 4.5
N/A
0%
N/A
Over 5.5
N/A
0%
N/A
Over 6.5
N/A
0%
N/A
Over 7.5
N/A
0%
N/A
Breaks Per Set data uses Set 1 as a sample.
3 Set Matches
Breaks Per Set
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Breaks Per Match
3.9
3.77
7.67
Over 0.5
100%
93%
100%
Over 1.5
80%
87%
100%
Over 2.5
60%
53%
97%
Over 3.5
40%
40%
97%
Over 4.5
30%
27%
85%
Over 5.5
20%
20%
77%
Over 6.5
20%
7%
59%
Over 7.5
10%
7%
45%
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Average Break-Points Converted (Set 1)
1.35
2.03
3.38
Average Break-Points Converted (Set 2)
1.6
1.25
2.85
Average Break-Points Converted (Set 3)
2.38
1.7
4.08
will Break Serve %
44%
53%
N/A
will not Break Serve %
41%
54%
N/A
Over 0.5
80%
87%
100%
Over 1.5
40%
47%
95%
Over 2.5
0%
20%
70%
Over 3.5
0%
7%
32%
Breaks Per Set data uses Set 1 as a sample.
Double Faults - Over/Under
2026 Calendar Year
Last 12 Months
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Double Faults Per Match
N/A
5.93
N/A
Over 0.5 (1+)
N/A
100%
N/A
Over 1.5 (2+)
N/A
93%
N/A
Over 2.5 (3+)
N/A
80%
N/A
Over 3.5 (4+)
N/A
67%
N/A
Over 4.5 (5+)
N/A
60%
N/A
Over 5.5 (6+)
N/A
53%
N/A
Over 6.5 (7+)
N/A
47%
N/A
Over 7.5 (8+)
N/A
33%
N/A
Over 8.5 (9+)
N/A
27%
N/A
Over 9.5 (10+)
N/A
13%
N/A
Over 10.5 (11+)
N/A
7%
N/A
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Double Faults Per Match
2.7
5.93
8.63
Over 0.5 (1+)
90%
100%
100%
Over 1.5 (2+)
70%
93%
100%
Over 2.5 (3+)
30%
80%
92%
Over 3.5 (4+)
20%
67%
89%
Over 4.5 (5+)
20%
60%
80%
Over 5.5 (6+)
10%
53%
62%
Over 6.5 (7+)
10%
47%
62%
Over 7.5 (8+)
10%
33%
54%
Over 8.5 (9+)
10%
27%
42%
Over 9.5 (10+)
0%
13%
35%
Over 10.5 (11+)
0%
7%
19%
Tie Breaks - Over/Under
2026 Calendar Year
Last 12 Months
3 Set Matches
Data Point
Sayaka Ishii
(Match)
(Match)
Carol Zhao
(Match)
(Match)
Average
Tie Breaks Per Match
0.1
0.24
0.17
Over 0.5
10%
16%
13%
Over 1.5
0%
8%
4%
Over 2.5
0%
0%
0%
Under 0.5
90%
84%
13%
Under 1.5
100%
92%
4%
Under 2.5
100%
100%
0%
3 Set Matches
Data Point
Sayaka Ishii
(Match)
(Match)
Carol Zhao
(Match)
(Match)
Average
Tie Breaks Per Match
0.17
0.24
0.2
Over 0.5
17%
16%
16%
Over 1.5
0%
8%
4%
Over 2.5
0%
0%
0%
Under 0.5
17%
16%
16%
Under 1.5
0%
8%
4%
Under 2.5
0%
0%
0%
Net Points Won - Over/Under
2026 Calendar Year
Last 12 Months
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Net Points Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (11+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (12+)
N/A
N/A
N/A
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Net Points Won Per Match
5.5
N/A
N/A
Over 4.5 (5+)
50%
N/A
N/A
Over 5.5 (6+)
50%
N/A
N/A
Over 6.5 (7+)
50%
N/A
N/A
Over 7.5 (8+)
50%
N/A
N/A
Over 8.5 (9+)
50%
N/A
N/A
Over 9.5 (10+)
50%
N/A
N/A
Over 10.5 (11+)
0%
N/A
N/A
Over 11.5 (12+)
0%
N/A
N/A
Over 14.5 (15+)
0%
N/A
N/A
Head-to-Head (Hard Courts)
Performance
Profile
Data Point
Sayaka Ishii
Carol Zhao
Wins
H2H
H2H
1(100.0%)
0(0.0%)
Sets Won
H2H
H2H
2(100.0%)
0(0.0%)
Win Percentage
2026 Calendar Year
2026 Calendar Year
50.0%5 / 10 Matches
33.3%3 / 9 Matches
Win Percentage
Last 12 Months
Last 12 Months
50.0%7 / 14 Matches
33.3%3 / 9 Matches
Data Point
Sayaka Ishii
Carol Zhao
Main Hand
Right-handed
Right-handed
Age
20
30
Birthday
August 31, 2005
June 20, 1995
Height
-m
1.68m
Weight
-kg
-kg
Win Percentage (Hard Courts)
2026 Calendar Year
Last 12 Months
Data Point
Sayaka Ishii
Carol Zhao
Match Wins
50%
33%
Match Wins (3 Sets)
50%
33%
Wins in Straight Sets
30%
33%
Wins From Behind
17%
0%
Won At Least 1 Set
60%
56%
Set 1 Win
40%
33%
Set 2 Win
50%
56%
Set 3 Win
67%
0%
Data Point
Sayaka Ishii
Carol Zhao
Match Wins
50%
33%
Match Wins (3 Sets)
50%
33%
Wins in Straight Sets
29%
33%
Wins From Behind
13%
0%
Won At Least 1 Set
57%
56%
Set 1 Win
43%
33%
Set 2 Win
43%
56%
Set 3 Win
75%
0%
Aces (Hard Courts)
2026 Calendar Year
Last 12 Months
Milestones
Over
Under
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Aces Per Match
N/A
1.25
N/A
Most Aces in a match
N/A
50%
N/A
1+
N/A
75%
N/A
2+
N/A
50%
N/A
3+
N/A
0%
N/A
4+
N/A
0%
N/A
5+
N/A
0%
N/A
6+
N/A
0%
N/A
7+
N/A
0%
N/A
8+
N/A
0%
N/A
9+
N/A
0%
N/A
10+
N/A
0%
N/A
15+
N/A
0%
N/A
20+
N/A
0%
N/A
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Over 0.5
N/A
75%
N/A
Over 1.5
N/A
50%
N/A
Over 2.5
N/A
0%
N/A
Over 3.5
N/A
0%
N/A
Over 4.5
N/A
0%
N/A
Over 5.5
N/A
0%
N/A
Over 6.5
N/A
0%
N/A
Over 7.5
N/A
0%
N/A
Over 8.5
N/A
0%
N/A
Over 9.5
N/A
0%
N/A
Over 10.5
N/A
0%
N/A
Over 11.5
N/A
0%
N/A
Over 12.5
N/A
0%
N/A
Over 13.5
N/A
0%
N/A
Over 14.5
N/A
0%
N/A
Over 15.5
N/A
0%
N/A
Over 16.5
N/A
0%
N/A
Over 17.5
N/A
0%
N/A
Over 18.5
N/A
0%
N/A
Over 19.5
N/A
0%
N/A
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Under 0.5
N/A
25%
N/A
Under 1.5
N/A
50%
25%
Under 2.5
N/A
100%
37%
Under 3.5
N/A
100%
37%
Under 4.5
N/A
100%
37%
Under 5.5
N/A
100%
37%
Under 6.5
N/A
100%
37%
Under 7.5
N/A
100%
37%
Under 8.5
N/A
100%
37%
Under 9.5
N/A
100%
37%
Under 10.5
N/A
100%
50%
Under 11.5
N/A
100%
50%
Under 12.5
N/A
100%
50%
Under 13.5
N/A
100%
50%
Under 14.5
N/A
100%
50%
Milestones
Over
Under
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Aces Per Match
N/A
1.25
N/A
Most Aces in a match
30%
27%
N/A
1+
N/A
75%
50%
2+
N/A
50%
25%
3+
N/A
0%
12%
4+
N/A
0%
12%
5+
N/A
0%
12%
6+
N/A
0%
12%
7+
N/A
0%
12%
8+
N/A
0%
12%
9+
N/A
0%
12%
10+
N/A
0%
12%
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Over 0.5
N/A
75%
50%
Over 1.5
N/A
50%
25%
Over 2.5
N/A
0%
12%
Over 3.5
N/A
0%
12%
Over 4.5
N/A
0%
12%
Over 5.5
N/A
0%
12%
Over 6.5
N/A
0%
12%
Over 7.5
N/A
0%
12%
Over 8.5
N/A
0%
12%
Over 9.5
N/A
0%
12%
Over 10.5
N/A
0%
N/A
Over 11.5
N/A
0%
N/A
Over 12.5
N/A
0%
N/A
Over 13.5
N/A
0%
N/A
Over 14.5
N/A
0%
N/A
Over 15.5
N/A
0%
N/A
Over 16.5
N/A
0%
N/A
Over 17.5
N/A
0%
N/A
Over 18.5
N/A
0%
N/A
Over 19.5
N/A
0%
N/A
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Under 0.5
N/A
25%
N/A
Under 1.5
N/A
50%
25%
Under 2.5
N/A
100%
37%
Under 3.5
N/A
100%
37%
Under 4.5
N/A
100%
37%
Under 5.5
N/A
100%
37%
Under 6.5
N/A
100%
37%
Under 7.5
N/A
100%
37%
Under 8.5
N/A
100%
37%
Under 9.5
N/A
100%
37%
Under 10.5
N/A
100%
50%
Under 11.5
N/A
100%
50%
Under 12.5
N/A
100%
50%
Under 13.5
N/A
100%
50%
Under 14.5
N/A
100%
50%
Match Total Games (Hard Courts)
2026 Calendar Year
Last 12 Months
Total Games In A Set
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Average
Average Games in a Set
9.1
9.62
9.36
Over 6.5
80%
92%
86%
Over 7.5
80%
72%
76%
Over 8.5
80%
68%
74%
Over 9.5
40%
48%
44%
Over 10.5
10%
28%
19%
Over 11.5
10%
28%
19%
Over 12.5
10%
12%
11%
Data Point
Sayaka Ishii
Carol Zhao
Average
Over 12.5
90%
92%
91%
Over 13.5
80%
92%
86%
Over 14.5
80%
92%
86%
Over 15.5
80%
88%
84%
Over 16.5
80%
88%
84%
Over 17.5
80%
80%
80%
Over 18.5
70%
60%
65%
Over 19.5
60%
52%
56%
Over 20.5
50%
52%
51%
Over 21.5
30%
36%
33%
Over 22.5
30%
36%
33%
Over 23.5
30%
36%
33%
Over 24.5
30%
36%
33%
Over 25.5
30%
32%
31%
Over 26.5
30%
24%
27%
Over 27.5
20%
16%
18%
Over 28.5
10%
16%
13%
Over 29.5
10%
16%
13%
Total Games In A Set
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Average
Average Games in a Set
9.08
9.62
9.35
Over 6.5
92%
92%
92%
Over 7.5
79%
72%
76%
Over 8.5
71%
68%
70%
Over 9.5
38%
48%
43%
Over 10.5
13%
28%
21%
Over 11.5
13%
28%
21%
Over 12.5
4%
12%
8%
Data Point
Sayaka Ishii
Carol Zhao
Average
Over 12.5
96%
92%
94%
Over 13.5
92%
92%
92%
Over 14.5
92%
92%
92%
Over 15.5
83%
88%
86%
Over 16.5
79%
88%
84%
Over 17.5
79%
80%
80%
Over 18.5
75%
60%
68%
Over 19.5
63%
52%
58%
Over 20.5
54%
52%
53%
Over 21.5
42%
36%
39%
Over 22.5
33%
36%
35%
Over 23.5
29%
36%
33%
Over 24.5
29%
36%
33%
Over 25.5
29%
32%
31%
Over 26.5
29%
24%
27%
Over 27.5
21%
16%
19%
Over 28.5
17%
16%
17%
Over 29.5
13%
16%
15%
Break Points Won (Hard Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
Breaks Per Set
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Breaks Per Match
N/A
4.38
N/A
Over 0.5
N/A
100%
N/A
Over 1.5
N/A
100%
N/A
Over 2.5
N/A
50%
N/A
Over 3.5
N/A
50%
N/A
Over 4.5
N/A
25%
N/A
Over 5.5
N/A
25%
N/A
Over 6.5
N/A
0%
N/A
Over 7.5
N/A
0%
N/A
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Average Break-Points Converted (Set 1)
N/A
2.5
N/A
Average Break-Points Converted (Set 2)
N/A
1.12
N/A
Average Break-Points Converted (Set 3)
N/A
1.5
N/A
will Break Serve %
N/A
47%
N/A
will not Break Serve %
N/A
60%
N/A
Over 0.5
N/A
75%
N/A
Over 1.5
N/A
25%
N/A
Over 2.5
N/A
25%
N/A
Over 3.5
N/A
25%
N/A
Over 4.5
N/A
0%
N/A
Over 5.5
N/A
0%
N/A
Over 6.5
N/A
0%
N/A
Over 7.5
N/A
0%
N/A
Breaks Per Set data uses Set 1 as a sample.
3 Set Matches
Breaks Per Set
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Breaks Per Match
N/A
4.38
3.38
Over 0.5
N/A
100%
50%
Over 1.5
N/A
100%
50%
Over 2.5
N/A
50%
50%
Over 3.5
N/A
50%
50%
Over 4.5
N/A
25%
50%
Over 5.5
N/A
25%
50%
Over 6.5
N/A
0%
50%
Over 7.5
N/A
0%
25%
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Average Break-Points Converted (Set 1)
N/A
2.5
3.38
Average Break-Points Converted (Set 2)
N/A
1.12
2.85
Average Break-Points Converted (Set 3)
N/A
1.5
4.08
will Break Serve %
N/A
47%
N/A
will not Break Serve %
N/A
60%
N/A
Over 0.5
N/A
75%
100%
Over 1.5
N/A
25%
95%
Over 2.5
N/A
25%
70%
Over 3.5
N/A
25%
32%
Breaks Per Set data uses Set 1 as a sample.
Double Faults (Hard Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Double Faults Per Match
N/A
8.25
N/A
Over 0.5 (1+)
N/A
100%
N/A
Over 1.5 (2+)
N/A
100%
N/A
Over 2.5 (3+)
N/A
100%
N/A
Over 3.5 (4+)
N/A
100%
N/A
Over 4.5 (5+)
N/A
100%
N/A
Over 5.5 (6+)
N/A
75%
N/A
Over 6.5 (7+)
N/A
75%
N/A
Over 7.5 (8+)
N/A
75%
N/A
Over 8.5 (9+)
N/A
75%
N/A
Over 9.5 (10+)
N/A
25%
N/A
Over 10.5 (11+)
N/A
0%
N/A
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Double Faults Per Match
N/A
8.25
N/A
Over 0.5 (1+)
N/A
100%
N/A
Over 1.5 (2+)
N/A
100%
N/A
Over 2.5 (3+)
N/A
100%
N/A
Over 3.5 (4+)
N/A
100%
N/A
Over 4.5 (5+)
N/A
100%
N/A
Over 5.5 (6+)
N/A
75%
N/A
Over 6.5 (7+)
N/A
75%
N/A
Over 7.5 (8+)
N/A
75%
N/A
Over 8.5 (9+)
N/A
75%
N/A
Over 9.5 (10+)
N/A
25%
N/A
Over 10.5 (11+)
N/A
0%
N/A
Tie Breaks (Hard Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
Data Point
Sayaka Ishii
(Match)
(Match)
Carol Zhao
(Match)
(Match)
Average
Tie Breaks Per Match
0.1
0.11
0.17
Over 0.5
10%
11%
11%
Over 1.5
0%
0%
0%
Over 2.5
0%
0%
0%
Under 0.5
90%
89%
90%
Under 1.5
100%
100%
100%
Under 2.5
100%
100%
100%
3 Set Matches
Data Point
Sayaka Ishii
(Match)
(Match)
Carol Zhao
(Match)
(Match)
Average
Tie Breaks Per Match
0.21
0.11
0.2
Over 0.5
7%
11%
9%
Over 1.5
0%
0%
0%
Over 2.5
0%
0%
0%
Under 0.5
93%
89%
91%
Under 1.5
100%
100%
100%
Under 2.5
100%
100%
100%
Net Points Won (Hard Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Net Points Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (11+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (12+)
N/A
N/A
N/A
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Net Points Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (11+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (15+)
N/A
N/A
N/A
Head-to-Head (Clay Courts)
Performance
Profile
Data Point
Sayaka Ishii
Carol Zhao
Wins
H2H
H2H
0(0%)
0(0%)
Sets Won
H2H
H2H
0(0%)
0(0%)
Win Percentage
2026 Calendar Year
2026 Calendar Year
N/A0 / 0 Matches
20.0%2 / 10 Matches
Win Percentage
Last 12 Months
Last 12 Months
0.0%0 / 1 Matches
20.0%2 / 10 Matches
Data Point
Sayaka Ishii
Carol Zhao
Main Hand
Right-handed
Right-handed
Age
20
30
Birthday
August 31, 2005
June 20, 1995
Height
-m
1.68m
Weight
-kg
-kg
Win Percentage (Clay Courts)
2026 Calendar Year
Last 12 Months
Data Point
Sayaka Ishii
Carol Zhao
Match Wins
N/A
20%
Match Wins (3 Sets)
N/A
20%
Wins in Straight Sets
N/A
0%
Wins From Behind
N/A
0%
Won At Least 1 Set
N/A
40%
Set 1 Win
N/A
30%
Set 2 Win
N/A
11%
Set 3 Win
N/A
50%
Data Point
Sayaka Ishii
Carol Zhao
Match Wins
0%
20%
Match Wins (3 Sets)
0%
20%
Wins in Straight Sets
0%
0%
Wins From Behind
0%
0%
Won At Least 1 Set
0%
40%
Set 1 Win
0%
30%
Set 2 Win
0%
11%
Set 3 Win
N/A
50%
Aces (Clay Courts)
2026 Calendar Year
Last 12 Months
Milestones
Over
Under
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Aces Per Match
N/A
0.40
N/A
Most Aces in a match
N/A
20%
N/A
1+
N/A
20%
N/A
2+
N/A
20%
N/A
3+
N/A
0%
N/A
4+
N/A
0%
N/A
5+
N/A
0%
N/A
6+
N/A
0%
N/A
7+
N/A
0%
N/A
8+
N/A
0%
N/A
9+
N/A
0%
N/A
10+
N/A
0%
N/A
15+
N/A
0%
N/A
20+
N/A
0%
N/A
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Over 0.5
N/A
20%
N/A
Over 1.5
N/A
20%
N/A
Over 2.5
N/A
0%
N/A
Over 3.5
N/A
0%
N/A
Over 4.5
N/A
0%
N/A
Over 5.5
N/A
0%
N/A
Over 6.5
N/A
0%
N/A
Over 7.5
N/A
0%
N/A
Over 8.5
N/A
0%
N/A
Over 9.5
N/A
0%
N/A
Over 10.5
N/A
0%
N/A
Over 11.5
N/A
0%
N/A
Over 12.5
N/A
0%
N/A
Over 13.5
N/A
0%
N/A
Over 14.5
N/A
0%
N/A
Over 15.5
N/A
0%
N/A
Over 16.5
N/A
0%
N/A
Over 17.5
N/A
0%
N/A
Over 18.5
N/A
0%
N/A
Over 19.5
N/A
0%
N/A
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Under 0.5
N/A
80%
20%
Under 1.5
N/A
80%
20%
Under 2.5
N/A
100%
30%
Under 3.5
N/A
100%
50%
Under 4.5
N/A
100%
50%
Under 5.5
N/A
100%
50%
Under 6.5
N/A
100%
50%
Under 7.5
N/A
100%
50%
Under 8.5
N/A
100%
50%
Under 9.5
N/A
100%
50%
Under 10.5
N/A
100%
50%
Under 11.5
N/A
100%
50%
Under 12.5
N/A
100%
50%
Under 13.5
N/A
100%
50%
Under 14.5
N/A
100%
50%
Milestones
Over
Under
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Aces Per Match
1
0.4
1.40
Most Aces in a match
30%
27%
N/A
1+
100%
20%
80%
2+
0%
20%
80%
3+
0%
0%
70%
4+
0%
0%
50%
5+
0%
0%
0%
6+
0%
0%
0%
7+
0%
0%
0%
8+
0%
0%
0%
9+
0%
0%
0%
10+
0%
0%
0%
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Over 0.5
100%
20%
80%
Over 1.5
0%
20%
80%
Over 2.5
0%
0%
70%
Over 3.5
0%
0%
50%
Over 4.5
0%
0%
0%
Over 5.5
0%
0%
0%
Over 6.5
0%
0%
0%
Over 7.5
0%
0%
0%
Over 8.5
0%
0%
0%
Over 9.5
0%
0%
0%
Over 10.5
0%
0%
0%
Over 11.5
0%
0%
0%
Over 12.5
0%
0%
0%
Over 13.5
0%
0%
0%
Over 14.5
0%
0%
0%
Over 15.5
0%
0%
0%
Over 16.5
0%
0%
0%
Over 17.5
0%
0%
0%
Over 18.5
0%
0%
0%
Over 19.5
0%
0%
0%
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Under 0.5
0%
80%
20%
Under 1.5
100%
80%
20%
Under 2.5
100%
100%
30%
Under 3.5
100%
100%
50%
Under 4.5
100%
100%
100%
Under 5.5
100%
100%
100%
Under 6.5
100%
100%
100%
Under 7.5
100%
100%
100%
Under 8.5
100%
100%
100%
Under 9.5
100%
100%
100%
Under 10.5
100%
100%
100%
Under 11.5
100%
100%
100%
Under 12.5
100%
100%
100%
Under 13.5
100%
100%
100%
Under 14.5
100%
100%
100%
Match Total Games (Clay Courts)
2026 Calendar Year
Last 12 Months
Total Games In A Set
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Average
Average Games in a Set
9.1
9.62
9.36
Over 6.5
80%
92%
86%
Over 7.5
80%
72%
76%
Over 8.5
80%
68%
74%
Over 9.5
40%
48%
44%
Over 10.5
10%
28%
19%
Over 11.5
10%
28%
19%
Over 12.5
10%
12%
11%
Data Point
Sayaka Ishii
Carol Zhao
Average
Over 12.5
90%
92%
91%
Over 13.5
80%
92%
86%
Over 14.5
80%
92%
86%
Over 15.5
80%
88%
84%
Over 16.5
80%
88%
84%
Over 17.5
80%
80%
80%
Over 18.5
70%
60%
65%
Over 19.5
60%
52%
56%
Over 20.5
50%
52%
51%
Over 21.5
30%
36%
33%
Over 22.5
30%
36%
33%
Over 23.5
30%
36%
33%
Over 24.5
30%
36%
33%
Over 25.5
30%
32%
31%
Over 26.5
30%
24%
27%
Over 27.5
20%
16%
18%
Over 28.5
10%
16%
13%
Over 29.5
10%
16%
13%
Total Games In A Set
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Average
Average Games in a Set
9.08
9.62
9.35
Over 6.5
92%
92%
92%
Over 7.5
79%
72%
76%
Over 8.5
71%
68%
70%
Over 9.5
38%
48%
43%
Over 10.5
13%
28%
21%
Over 11.5
13%
28%
21%
Over 12.5
4%
12%
8%
Data Point
Sayaka Ishii
Carol Zhao
Average
Over 12.5
96%
92%
94%
Over 13.5
92%
92%
92%
Over 14.5
92%
92%
92%
Over 15.5
83%
88%
86%
Over 16.5
79%
88%
84%
Over 17.5
79%
80%
80%
Over 18.5
75%
60%
68%
Over 19.5
63%
52%
58%
Over 20.5
54%
52%
53%
Over 21.5
42%
36%
39%
Over 22.5
33%
36%
35%
Over 23.5
29%
36%
33%
Over 24.5
29%
36%
33%
Over 25.5
29%
32%
31%
Over 26.5
29%
24%
27%
Over 27.5
21%
16%
19%
Over 28.5
17%
16%
17%
Over 29.5
13%
16%
15%
Break Points Won (Clay Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
Breaks Per Set
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Breaks Per Match
N/A
3.8
N/A
Over 0.5
N/A
100%
N/A
Over 1.5
N/A
80%
N/A
Over 2.5
N/A
40%
N/A
Over 3.5
N/A
20%
N/A
Over 4.5
N/A
20%
N/A
Over 5.5
N/A
20%
N/A
Over 6.5
N/A
0%
N/A
Over 7.5
N/A
0%
N/A
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Average Break-Points Converted (Set 1)
N/A
2
N/A
Average Break-Points Converted (Set 2)
N/A
1.75
N/A
Average Break-Points Converted (Set 3)
N/A
2
N/A
will Break Serve %
N/A
44%
N/A
will not Break Serve %
N/A
50%
N/A
Over 0.5
N/A
100%
N/A
Over 1.5
N/A
40%
N/A
Over 2.5
N/A
20%
N/A
Over 3.5
N/A
0%
N/A
Over 4.5
N/A
0%
N/A
Over 5.5
N/A
0%
N/A
Over 6.5
N/A
0%
N/A
Over 7.5
N/A
0%
N/A
Breaks Per Set data uses Set 1 as a sample.
3 Set Matches
Breaks Per Set
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Breaks Per Match
3
3.8
6.8
Over 0.5
100%
100%
100%
Over 1.5
0%
80%
100%
Over 2.5
0%
40%
90%
Over 3.5
0%
20%
90%
Over 4.5
0%
20%
90%
Over 5.5
0%
20%
90%
Over 6.5
0%
0%
40%
Over 7.5
0%
0%
20%
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Average Break-Points Converted (Set 1)
1
2
3.38
Average Break-Points Converted (Set 2)
2
1.75
2.85
Average Break-Points Converted (Set 3)
N/A
2
4.08
will Break Serve %
0%
44%
N/A
will not Break Serve %
40%
50%
N/A
Over 0.5
0%
100%
100%
Over 1.5
0%
40%
95%
Over 2.5
0%
20%
70%
Over 3.5
0%
0%
32%
Breaks Per Set data uses Set 1 as a sample.
Double Faults (Clay Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Double Faults Per Match
N/A
6.2
N/A
Over 0.5 (1+)
N/A
100%
N/A
Over 1.5 (2+)
N/A
100%
N/A
Over 2.5 (3+)
N/A
100%
N/A
Over 3.5 (4+)
N/A
80%
N/A
Over 4.5 (5+)
N/A
80%
N/A
Over 5.5 (6+)
N/A
80%
N/A
Over 6.5 (7+)
N/A
60%
N/A
Over 7.5 (8+)
N/A
20%
N/A
Over 8.5 (9+)
N/A
0%
N/A
Over 9.5 (10+)
N/A
0%
N/A
Over 10.5 (11+)
N/A
0%
N/A
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Double Faults Per Match
2
6.2
8.2
Over 0.5 (1+)
100%
100%
100%
Over 1.5 (2+)
100%
100%
100%
Over 2.5 (3+)
0%
100%
100%
Over 3.5 (4+)
0%
80%
90%
Over 4.5 (5+)
0%
80%
40%
Over 5.5 (6+)
0%
80%
40%
Over 6.5 (7+)
0%
60%
40%
Over 7.5 (8+)
0%
20%
40%
Over 8.5 (9+)
0%
0%
30%
Over 9.5 (10+)
0%
0%
10%
Over 10.5 (11+)
0%
0%
0%
Tie Breaks (Clay Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
Data Point
Sayaka Ishii
(Match)
(Match)
Carol Zhao
(Match)
(Match)
Average
Tie Breaks Per Match
N/A
0
0.17
Over 0.5
N/A
0%
N/A
Over 1.5
N/A
0%
N/A
Over 2.5
N/A
0%
N/A
Under 0.5
N/A
100%
50%
Under 1.5
N/A
100%
50%
Under 2.5
N/A
100%
50%
3 Set Matches
Data Point
Sayaka Ishii
(Match)
(Match)
Carol Zhao
(Match)
(Match)
Average
Tie Breaks Per Match
0
0
0.2
Over 0.5
0%
0%
0%
Over 1.5
0%
0%
0%
Over 2.5
0%
0%
0%
Under 0.5
100%
100%
100%
Under 1.5
100%
100%
100%
Under 2.5
100%
100%
100%
Net Points Won (Clay Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Net Points Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (11+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (12+)
N/A
N/A
N/A
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Net Points Won Per Match
4
N/A
N/A
Over 4.5 (5+)
0%
N/A
N/A
Over 5.5 (6+)
0%
N/A
N/A
Over 6.5 (7+)
0%
N/A
N/A
Over 7.5 (8+)
0%
N/A
N/A
Over 8.5 (9+)
0%
N/A
N/A
Over 9.5 (10+)
0%
N/A
N/A
Over 10.5 (11+)
0%
N/A
N/A
Over 11.5 (12+)
0%
N/A
N/A
Over 14.5 (15+)
0%
N/A
N/A
Head-to-Head (Grass Courts)
Performance
Profile
Data Point
Sayaka Ishii
Carol Zhao
Wins
H2H
H2H
0(0%)
0(0%)
Sets Won
H2H
H2H
0(0%)
0(0%)
Win Percentage
2026 Calendar Year
2026 Calendar Year
N/A0 / 0 Matches
66.7%4 / 6 Matches
Win Percentage
Last 12 Months
Last 12 Months
55.6%5 / 9 Matches
66.7%4 / 6 Matches
Data Point
Sayaka Ishii
Carol Zhao
Main Hand
Right-handed
Right-handed
Age
20
30
Birthday
August 31, 2005
June 20, 1995
Height
-m
1.68m
Weight
-kg
-kg
Win Percentage (Grass Courts)
2026 Calendar Year
Last 12 Months
Data Point
Sayaka Ishii
Carol Zhao
Match Wins
N/A
67%
Match Wins (3 Sets)
N/A
67%
Wins in Straight Sets
N/A
50%
Wins From Behind
N/A
33%
Won At Least 1 Set
N/A
83%
Set 1 Win
N/A
50%
Set 2 Win
N/A
83%
Set 3 Win
N/A
50%
Data Point
Sayaka Ishii
Carol Zhao
Match Wins
56%
67%
Match Wins (3 Sets)
56%
67%
Wins in Straight Sets
11%
50%
Wins From Behind
33%
33%
Won At Least 1 Set
56%
83%
Set 1 Win
33%
50%
Set 2 Win
33%
83%
Set 3 Win
100%
50%
Aces (Grass Courts)
2026 Calendar Year
Last 12 Months
Milestones
Over
Under
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Aces Per Match
N/A
1.33
N/A
Most Aces in a match
N/A
17%
N/A
1+
N/A
50%
N/A
2+
N/A
50%
N/A
3+
N/A
33%
N/A
4+
N/A
0%
N/A
5+
N/A
0%
N/A
6+
N/A
0%
N/A
7+
N/A
0%
N/A
8+
N/A
0%
N/A
9+
N/A
0%
N/A
10+
N/A
0%
N/A
15+
N/A
0%
N/A
20+
N/A
0%
N/A
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Over 0.5
N/A
50%
N/A
Over 1.5
N/A
50%
N/A
Over 2.5
N/A
33%
N/A
Over 3.5
N/A
0%
N/A
Over 4.5
N/A
0%
N/A
Over 5.5
N/A
0%
N/A
Over 6.5
N/A
0%
N/A
Over 7.5
N/A
0%
N/A
Over 8.5
N/A
0%
N/A
Over 9.5
N/A
0%
N/A
Over 10.5
N/A
0%
N/A
Over 11.5
N/A
0%
N/A
Over 12.5
N/A
0%
N/A
Over 13.5
N/A
0%
N/A
Over 14.5
N/A
0%
N/A
Over 15.5
N/A
0%
N/A
Over 16.5
N/A
0%
N/A
Over 17.5
N/A
0%
N/A
Over 18.5
N/A
0%
N/A
Over 19.5
N/A
0%
N/A
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Under 0.5
N/A
50%
N/A
Under 1.5
N/A
50%
N/A
Under 2.5
N/A
67%
8%
Under 3.5
N/A
100%
8%
Under 4.5
N/A
100%
16%
Under 5.5
N/A
100%
25%
Under 6.5
N/A
100%
33%
Under 7.5
N/A
100%
33%
Under 8.5
N/A
100%
33%
Under 9.5
N/A
100%
50%
Under 10.5
N/A
100%
50%
Under 11.5
N/A
100%
50%
Under 12.5
N/A
100%
50%
Under 13.5
N/A
100%
50%
Under 14.5
N/A
100%
50%
Milestones
Over
Under
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Aces Per Match
1.78
1.33
3.11
Most Aces in a match
30%
27%
N/A
1+
78%
50%
95%
2+
44%
50%
89%
3+
22%
33%
75%
4+
22%
0%
75%
5+
11%
0%
62%
6+
0%
0%
53%
7+
0%
0%
28%
8+
0%
0%
28%
9+
0%
0%
28%
10+
0%
0%
6%
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Over 0.5
78%
50%
95%
Over 1.5
44%
50%
89%
Over 2.5
22%
33%
75%
Over 3.5
22%
0%
75%
Over 4.5
11%
0%
62%
Over 5.5
0%
0%
53%
Over 6.5
0%
0%
28%
Over 7.5
0%
0%
28%
Over 8.5
0%
0%
28%
Over 9.5
0%
0%
6%
Over 10.5
0%
0%
0%
Over 11.5
0%
0%
0%
Over 12.5
0%
0%
0%
Over 13.5
0%
0%
0%
Over 14.5
0%
0%
0%
Over 15.5
0%
0%
0%
Over 16.5
0%
0%
0%
Over 17.5
0%
0%
0%
Over 18.5
0%
0%
0%
Over 19.5
0%
0%
0%
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Under 0.5
22%
50%
6%
Under 1.5
56%
50%
11%
Under 2.5
78%
67%
25%
Under 3.5
78%
100%
25%
Under 4.5
89%
100%
39%
Under 5.5
100%
100%
47%
Under 6.5
100%
100%
73%
Under 7.5
100%
100%
73%
Under 8.5
100%
100%
73%
Under 9.5
100%
100%
95%
Under 10.5
100%
100%
100%
Under 11.5
100%
100%
100%
Under 12.5
100%
100%
100%
Under 13.5
100%
100%
100%
Under 14.5
100%
100%
100%
Match Total Games (Grass Courts)
2026 Calendar Year
Last 12 Months
Total Games In A Set
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Average
Average Games in a Set
9.1
9.62
9.36
Over 6.5
80%
92%
86%
Over 7.5
80%
72%
76%
Over 8.5
80%
68%
74%
Over 9.5
40%
48%
44%
Over 10.5
10%
28%
19%
Over 11.5
10%
28%
19%
Over 12.5
10%
12%
11%
Data Point
Sayaka Ishii
Carol Zhao
Average
Over 12.5
90%
92%
91%
Over 13.5
80%
92%
86%
Over 14.5
80%
92%
86%
Over 15.5
80%
88%
84%
Over 16.5
80%
88%
84%
Over 17.5
80%
80%
80%
Over 18.5
70%
60%
65%
Over 19.5
60%
52%
56%
Over 20.5
50%
52%
51%
Over 21.5
30%
36%
33%
Over 22.5
30%
36%
33%
Over 23.5
30%
36%
33%
Over 24.5
30%
36%
33%
Over 25.5
30%
32%
31%
Over 26.5
30%
24%
27%
Over 27.5
20%
16%
18%
Over 28.5
10%
16%
13%
Over 29.5
10%
16%
13%
Total Games In A Set
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Average
Average Games in a Set
9.08
9.62
9.35
Over 6.5
92%
92%
92%
Over 7.5
79%
72%
76%
Over 8.5
71%
68%
70%
Over 9.5
38%
48%
43%
Over 10.5
13%
28%
21%
Over 11.5
13%
28%
21%
Over 12.5
4%
12%
8%
Data Point
Sayaka Ishii
Carol Zhao
Average
Over 12.5
96%
92%
94%
Over 13.5
92%
92%
92%
Over 14.5
92%
92%
92%
Over 15.5
83%
88%
86%
Over 16.5
79%
88%
84%
Over 17.5
79%
80%
80%
Over 18.5
75%
60%
68%
Over 19.5
63%
52%
58%
Over 20.5
54%
52%
53%
Over 21.5
42%
36%
39%
Over 22.5
33%
36%
35%
Over 23.5
29%
36%
33%
Over 24.5
29%
36%
33%
Over 25.5
29%
32%
31%
Over 26.5
29%
24%
27%
Over 27.5
21%
16%
19%
Over 28.5
17%
16%
17%
Over 29.5
13%
16%
15%
Break Points Won (Grass Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
Breaks Per Set
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Breaks Per Match
N/A
3.33
N/A
Over 0.5
N/A
83%
N/A
Over 1.5
N/A
83%
N/A
Over 2.5
N/A
67%
N/A
Over 3.5
N/A
50%
N/A
Over 4.5
N/A
33%
N/A
Over 5.5
N/A
17%
N/A
Over 6.5
N/A
17%
N/A
Over 7.5
N/A
17%
N/A
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Average Break-Points Converted (Set 1)
N/A
1.67
N/A
Average Break-Points Converted (Set 2)
N/A
1.08
N/A
Average Break-Points Converted (Set 3)
N/A
1.75
N/A
will Break Serve %
N/A
54%
N/A
will not Break Serve %
N/A
56%
N/A
Over 0.5
N/A
83%
N/A
Over 1.5
N/A
67%
N/A
Over 2.5
N/A
17%
N/A
Over 3.5
N/A
0%
N/A
Over 4.5
N/A
0%
N/A
Over 5.5
N/A
0%
N/A
Over 6.5
N/A
0%
N/A
Over 7.5
N/A
0%
N/A
Breaks Per Set data uses Set 1 as a sample.
3 Set Matches
Breaks Per Set
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Breaks Per Match
4
3.33
7.33
Over 0.5
100%
83%
100%
Over 1.5
89%
83%
100%
Over 2.5
67%
67%
100%
Over 3.5
44%
50%
100%
Over 4.5
33%
33%
78%
Over 5.5
22%
17%
64%
Over 6.5
22%
17%
45%
Over 7.5
11%
17%
45%
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Average Break-Points Converted (Set 1)
1.39
1.67
3.38
Average Break-Points Converted (Set 2)
1.56
1.08
2.85
Average Break-Points Converted (Set 3)
2.38
1.75
4.08
will Break Serve %
49%
54%
N/A
will not Break Serve %
42%
56%
N/A
Over 0.5
89%
83%
100%
Over 1.5
44%
67%
95%
Over 2.5
0%
17%
70%
Over 3.5
0%
0%
32%
Breaks Per Set data uses Set 1 as a sample.
Double Faults (Grass Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Double Faults Per Match
N/A
4.17
N/A
Over 0.5 (1+)
N/A
100%
N/A
Over 1.5 (2+)
N/A
83%
N/A
Over 2.5 (3+)
N/A
50%
N/A
Over 3.5 (4+)
N/A
33%
N/A
Over 4.5 (5+)
N/A
17%
N/A
Over 5.5 (6+)
N/A
17%
N/A
Over 6.5 (7+)
N/A
17%
N/A
Over 7.5 (8+)
N/A
17%
N/A
Over 8.5 (9+)
N/A
17%
N/A
Over 9.5 (10+)
N/A
17%
N/A
Over 10.5 (11+)
N/A
17%
N/A
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Double Faults Per Match
2.78
4.17
6.95
Over 0.5 (1+)
89%
100%
100%
Over 1.5 (2+)
67%
83%
100%
Over 2.5 (3+)
33%
50%
86%
Over 3.5 (4+)
22%
33%
86%
Over 4.5 (5+)
22%
17%
78%
Over 5.5 (6+)
11%
17%
53%
Over 6.5 (7+)
11%
17%
53%
Over 7.5 (8+)
11%
17%
39%
Over 8.5 (9+)
11%
17%
33%
Over 9.5 (10+)
0%
17%
33%
Over 10.5 (11+)
0%
17%
14%
Tie Breaks (Grass Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
Data Point
Sayaka Ishii
(Match)
(Match)
Carol Zhao
(Match)
(Match)
Average
Tie Breaks Per Match
N/A
0.83
0.17
Over 0.5
N/A
33%
16%
Over 1.5
N/A
17%
8%
Over 2.5
N/A
0%
N/A
Under 0.5
N/A
67%
33%
Under 1.5
N/A
83%
41%
Under 2.5
N/A
100%
50%
3 Set Matches
Data Point
Sayaka Ishii
(Match)
(Match)
Carol Zhao
(Match)
(Match)
Average
Tie Breaks Per Match
0.11
0.83
0.2
Over 0.5
11%
33%
22%
Over 1.5
0%
17%
9%
Over 2.5
0%
0%
0%
Under 0.5
89%
67%
78%
Under 1.5
100%
83%
92%
Under 2.5
100%
100%
100%
Net Points Won (Grass Courts)
2026 Calendar Year
Last 12 Months
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Net Points Won Per Match
N/A
N/A
N/A
Over 4.5 (5+)
N/A
N/A
N/A
Over 5.5 (6+)
N/A
N/A
N/A
Over 6.5 (7+)
N/A
N/A
N/A
Over 7.5 (8+)
N/A
N/A
N/A
Over 8.5 (9+)
N/A
N/A
N/A
Over 9.5 (10+)
N/A
N/A
N/A
Over 10.5 (11+)
N/A
N/A
N/A
Over 11.5 (12+)
N/A
N/A
N/A
Over 14.5 (12+)
N/A
N/A
N/A
3 Set Matches
Data Point
Sayaka Ishii
Carol Zhao
Match Total
Net Points Won Per Match
7
N/A
N/A
Over 4.5 (5+)
100%
N/A
N/A
Over 5.5 (6+)
100%
N/A
N/A
Over 6.5 (7+)
100%
N/A
N/A
Over 7.5 (8+)
100%
N/A
N/A
Over 8.5 (9+)
100%
N/A
N/A
Over 9.5 (10+)
100%
N/A
N/A
Over 10.5 (11+)
0%
N/A
N/A
Over 11.5 (12+)
0%
N/A
N/A
Over 14.5 (15+)
0%
N/A
N/A
Latest Results For Sayaka Ishii
Date
Tournament
Player
Opponent
Total Sets
Sayaka Ishii
11 - 12
Opponent
Total Wins
Sayaka Ishii
5 - 5
Opponent
Win Percentage
Sayaka Ishii
50% - 50%
Opponent
Latest Results For Carol Zhao
Date
Tournament
Player
Opponent
Total Sets
Carol Zhao
4 - 17
Opponent
Total Wins
Carol Zhao
2 - 8
Opponent
Win Percentage
Carol Zhao
20% - 80%
Opponent
Ranking
Elo
Ranking
Elo
Ranking
Elo