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Hiromasa Koyama Stats

Hiromasa Koyama - Japan

Hiromasa Koyama
0 Very Bad Form
L
L
L
W
L
W
W

ATP Rank

1,422

Points

5

Singles - Career

Age

W-L

Career Winnings

Height

Weight

Hand

-

8 - 18

-

-

-

-

Hiromasa Koyama's record in 2026 is 0 wins to 2 losses which is very bad. Their career win record is 8 wins to 18 losses.

Stats
Matches & Results
Download Data
Surface : All
 
2026 Stats
All Surfaces
Hard
Clay
Grass

General Overview Stats (All Surfaces)

Data Point
Total
Details
Percentile
Prize Money
Career Total
$0USD Earned
$0Earned Per Match
N/A
Current Ranking
ATP - Men
1,422Since Jul 2024
5Elo Points
33
Titles
Career Total
0Titles
0Grand Slams
0 Titles(Incl' Challengers)
Win Percentage
2026 Year
N/A0 / 2 Matches
Very BadHorrible Form
0
Win Percentage
Trailing 12 Months
26.3%5 / 19 Matches
Very BadHorrible Form
15
Win Percentage
Career Total
30.8%8 / 26 Matches
BadVery Bad Form
20
On the Court This Year
Aces
2026
N/AAces Per Match
-0 / 0 matches
N/A
First Serve
2026
N/AFirst Serve
-Success Rate
N/A
Double Faults
2026
N/APer Match
-0 / 0 matches
N/A
Break Points Won
2026
N/ABP Converted
-N/A Breaks
N/A
Wins By Surface Type (Career Total)
All Surfaces
30.8% (8 / 26)
Hard
25% (5 / 20)
Clay
50% (3 / 6)
Grass
-1% (0 / 0)

Hiromasa Koyama is ranked 1,422 in the ATP rankings with an ELO score of 5. In 2026, Hiromasa Koyama is in Very Bad form, achieving 0.0% wins.

Data Point
Stat
Age
0
Forehand
Birthday
March 13, 2026
Height
m

Win Percentage (Match / Set)

Data Point
2026
Last 12 Months
Percentile
Match Wins
0%
26%
0
Match Wins (3 Sets)
0%
26%
0
Wins in Straight Sets
0%
16%
0
Wins From Behind
0%
7%
0
Won At Least 1 Set
0%
47%
0
Set 1 Win
0%
37%
0
Set 2 Win
0%
26%
0
Set 3 Win
N/A
33%
0
Data Point
Percentage
Number
Percentile
Match Wins
31%
8 / 26
23
Match Wins (3 Sets)
31%
8 / 26
24
Match Wins (5 Sets)
N/A
0 / 0
0
Wins in Straight Sets
19%
5 / 26
22
Wins From Behind
10%
2 times
40
Won At Least 1 Set
54%
14 / 26
33
Set 1 Win
38%
10 / 26
31
Set 2 Win
35%
9 / 26
25
Set 3 Win
33%
3 / 9
18
Set 4 Win
N/A
0 / 0
0
Set 5 Win
N/A
0 / 0
0

Aces Stats (3 Set Matches Only)

Data Point
2026
Last 12 Months
Percentile
Aces Per Match
N/A
N/A
0
Most Aces in a match
N/A
N/A
0
Over 0.5 Aces
N/A
N/A
0
Over 1.5 Aces
N/A
N/A
0
Over 2.5 Aces
N/A
N/A
0
Over 3.5 Aces
N/A
N/A
0
Over 4.5 Aces
N/A
N/A
0
Over 5.5 Aces
N/A
N/A
0
Over 6.5 Aces
N/A
N/A
0
Over 7.5 Aces
N/A
N/A
0
Over 8.5 Aces
N/A
N/A
0
Over 9.5 Aces
N/A
N/A
0
Over 14.5 Aces
N/A
N/A
0

Overall, Hiromasa Koyama is better than 0% of the players in terms of Aces Per Match during their latest matches.

Data Point
Percentage
Number
Percentile
Aces Per Match
N/A
0 / 0
0
Over 0.5 Aces
N/A
N/A
0
Over 1.5 Aces
N/A
N/A
0
Over 2.5 Aces
N/A
N/A
0
Over 3.5 Aces
N/A
N/A
0
Over 4.5 Aces
N/A
N/A
0
Over 5.5 Aces
N/A
N/A
0
Over 6.5 Aces
N/A
N/A
0
Over 7.5 Aces
N/A
N/A
0
Over 8.5 Aces
N/A
N/A
0
Over 9.5 Aces
N/A
N/A
0
Over 14.5 Aces
N/A
N/A
0

Match Total Games Stats

Data Point
2026
Last 12 Months
Percentile
Average Total Games (3 Set Matches)
18.00
20.63
10
Over 12.5
100%
100%
38
Over 13.5
100%
100%
52
Over 14.5
100%
95%
68
Over 15.5
100%
79%
81
Over 16.5
100%
79%
90
Over 17.5
50%
53%
8
Over 18.5
50%
47%
17
Over 19.5
0%
37%
0
Over 20.5
0%
37%
0
Over 21.5
0%
37%
0
Over 22.5
0%
37%
0
Over 23.5
0%
32%
0
Over 24.5
0%
32%
0
Over 25.5
0%
26%
0
Over 26.5
0%
21%
0
Over 27.5
0%
21%
0
Over 28.5
0%
11%
0
Over 29.5
0%
5%
0
Over 30.5
0%
5%
0
Data Point
Percentage
Percentile
Average Total Games (3 Set Matches)
21.08
49
Over 12.5
100%
69
Over 13.5
100%
82
Over 14.5
96%
80
Over 15.5
81%
27
Over 16.5
81%
66
Over 17.5
58%
19
Over 18.5
54%
31
Over 19.5
42%
20
Over 20.5
42%
39
Over 21.5
42%
60
Over 22.5
38%
68
Over 23.5
35%
73
Over 24.5
35%
82
Over 25.5
27%
60
Over 26.5
23%
58
Over 27.5
23%
77
Over 28.5
12%
27
Over 29.5
8%
19
Over 30.5
4%
7

Break of Serve (Break Points Won) - Over/Under

Data Point
2026
Last 12
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
0
Over 3.5
N/A
N/A
0
Over 4.5
N/A
N/A
0
Over 5.5
N/A
N/A
0
Over 6.5
N/A
N/A
0

Data Point
2026
Last 12
Percentile
Average Break-Points Converted (Set 1)
N/A
N/A
0
Average Break-Points Converted (Set 2)
N/A
N/A
0
Average Break-Points Converted (Set 3)
N/A
N/A
0
will Break Serve %
N/A
N/A
0
will not Break Serve %
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
0

Breaks Per Set data uses Set 1 as a sample.

Data Point
2026
Number
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
0 / 0
0
Over 1.5
N/A
0 / 0
0
Over 2.5
N/A
0 / 0
0
Over 3.5
N/A
0 / 0
0
Over 4.5
N/A
0 / 0
0
Over 5.5
N/A
0 / 0
0
Over 6.5
N/A
0 / 0
0
Data Point
2026
Number
Percentile
Average Break-Points Converted (Set 1)
N/A
N/A
0
Average Break-Points Converted (Set 2)
N/A
N/A
0
Average Break-Points Converted (Set 3)
N/A
N/A
0
will Break Serve %
N/A
N/A
0
will not Break Serve %
N/A
N/A
0
Over 0.5
N/A
0 / 0
0
Over 1.5
N/A
0 / 0
0
Over 2.5
N/A
0 / 0
0

Breaks Per Set data uses Set 1 as a sample.

Double Faults - Over/Under

Data Point
2026
Last 12
Percentile
Double Faults Per Match
N/A
N/A
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100

Data Point
2026
Number
Percentile
Double Faults Per Match
N/A
0 / 0
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100

Tie Breaks - Over/Under

Data Point
2026
Last 12
Percentile
Tie Breaks Per Match
0.00
0.16
0
Over 0.5
0%
5%
0
Over 1.5
0%
0%
0
Over 2.5
0%
0%
0
Under 0.5
100%
95%
69
Under 1.5
100%
100%
19
Under 2.5
100%
100%
0
Data Point
2026
Number
Percentile
Tie Breaks Per Match
0.15
N/A
36
Over 0.5
8%
N/A
39
Over 1.5
0%
N/A
0
Over 2.5
0%
N/A
N/A
Under 0.5
92%
N/A
50
Under 1.5
100%
N/A
32
Under 2.5
100%
N/A
0

Net Points Won per Match

Data Point
2026
Last 12 Months
Percentile
Nets Points Won
N/A
N/A
0
Nets Points Won / Match (3 Sets)
N/A
N/A
0
More Nets Points Won Than Opponent
N/A
N/A
0
Same Nets Points Won As Opponent
N/A
N/A
0
Less Nets Points Won Than Opponent
N/A
N/A
0
Over 4.5
N/A
N/A
0
Over 5.5
N/A
N/A
0
Over 6.5
N/A
N/A
0
Over 7.5
N/A
N/A
0
Over 8.5
N/A
N/A
0
Over 9.5
N/A
N/A
0
Over 10.5
N/A
N/A
0
Over 11.5
N/A
N/A
0
Over 12.5
N/A
N/A
0
Over 13.5
N/A
N/A
0
Over 14.5
N/A
N/A
0
Data Point
Percentage
Percentile
Nets Points Won Percent
N/A
0
Nets Points Won Avg per match (3 Sets)
N/A
0
More Nets Points Won than opponent
N/A
0
Same Nets Points Won as opponent
N/A
0
Less Nets Points Won than opponent
N/A
0
Over 4.5
N/A
0
Over 5.5
N/A
0
Over 6.5
N/A
0
Over 7.5
N/A
0
Over 8.5
N/A
0
Over 9.5
N/A
0
Over 10.5
N/A
0
Over 11.5
N/A
0
Over 12.5
N/A
0
Over 13.5
N/A
0
Over 14.5
N/A
0
Over 15.5
N/A
0
Over 16.5
N/A
0
Over 17.5
N/A
0
Over 18.5
N/A
0
Over 19.5
N/A
0
Over 20.5
N/A
0
Over 21.5
N/A
0
Over 22.5
N/A
0
Over 23.5
N/A
0
Over 24.5
N/A
0
Over 25.5
N/A
0

Win Percentage (Hard Courts)

Data Point
2026
Last 12 Months
Percentile
Match Wins
0%
15%
0
Match Wins (3 Sets)
0%
15%
0
Wins in Straight Sets
0%
8%
0
Wins From Behind
0%
8%
0
Won At Least 1 Set
0%
46%
0
Set 1 Win
0%
31%
0
Set 2 Win
0%
23%
0
Set 3 Win
N/A
20%
0
Data Point
Percentage
Number
Percentile
Match Wins
25%
5 / 20
23
Match Wins (3 Sets)
25%
5 / 20
24
Match Wins (5 Sets)
N/A
0 / 0
0
Wins in Straight Sets
15%
3 / 20
22
Wins From Behind
12%
2 times
40
Won At Least 1 Set
55%
11 / 20
33
Set 1 Win
35%
7 / 20
31
Set 2 Win
35%
7 / 20
25
Set 3 Win
25%
2 / 8
18
Set 4 Win
N/A
0 / 0
0
Set 5 Win
N/A
0 / 0
0

Aces (Hard Courts)

Data Point
2026
Last 12 Months
Percentile
Aces Per Match
N/A
N/A
0
Most Aces in a match
N/A
N/A
0
Over 0.5 Aces
N/A
N/A
0
Over 1.5 Aces
N/A
N/A
0
Over 2.5 Aces
N/A
N/A
0
Over 3.5 Aces
N/A
N/A
0
Over 4.5 Aces
N/A
N/A
0
Over 5.5 Aces
N/A
N/A
0
Over 6.5 Aces
N/A
N/A
0
Over 7.5 Aces
N/A
N/A
0
Over 8.5 Aces
N/A
N/A
0
Over 9.5 Aces
N/A
N/A
0
Over 14.5 Aces
N/A
N/A
0
Data Point
Percentage
Number
Percentile
Aces Per Match
N/A
0 / 0
0
Over 0.5 Aces
N/A
N/A
0
Over 1.5 Aces
N/A
N/A
0
Over 2.5 Aces
N/A
N/A
0
Over 3.5 Aces
N/A
N/A
0
Over 4.5 Aces
N/A
N/A
0
Over 5.5 Aces
N/A
N/A
0
Over 6.5 Aces
N/A
N/A
0
Over 7.5 Aces
N/A
N/A
0
Over 8.5 Aces
N/A
N/A
0
Over 9.5 Aces
N/A
N/A
0
Over 14.5 Aces
N/A
N/A
0

Match Total Games (Hard Courts)

Data Point
2026
Last 12 Months
Percentile
Average Total Games (3 Set Matches)
18.00
21.54
12
Over 12.5
100%
100%
38
Over 13.5
100%
100%
52
Over 14.5
100%
92%
68
Over 15.5
100%
85%
81
Over 16.5
100%
85%
90
Over 17.5
50%
54%
8
Over 18.5
50%
54%
17
Over 19.5
0%
46%
0
Over 20.5
0%
46%
0
Over 21.5
0%
46%
0
Over 22.5
0%
46%
0
Over 23.5
0%
38%
0
Over 24.5
0%
38%
0
Over 25.5
0%
31%
0
Over 26.5
0%
23%
0
Over 27.5
0%
23%
0
Over 28.5
0%
15%
0
Over 29.5
0%
8%
0
Over 30.5
0%
8%
0
Data Point
Percentage
Percentile
Average Total Games (3 Set Matches)
21.8
67
Over 12.5
100%
69
Over 13.5
100%
82
Over 14.5
95%
73
Over 15.5
85%
45
Over 16.5
85%
81
Over 17.5
60%
22
Over 18.5
60%
52
Over 19.5
50%
42
Over 20.5
50%
71
Over 21.5
50%
86
Over 22.5
45%
90
Over 23.5
40%
89
Over 24.5
40%
93
Over 25.5
30%
76
Over 26.5
25%
69
Over 27.5
25%
84
Over 28.5
15%
49
Over 29.5
10%
32
Over 30.5
5%
12

Break Points Won (Hard Courts)

Data Point
2026
Last 12
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
0
Over 3.5
N/A
N/A
0
Over 4.5
N/A
N/A
0
Over 5.5
N/A
N/A
0
Over 6.5
N/A
N/A
0
Data Point
2026
Last 12
Percentile
Average Break-Points Converted (Set 1)
N/A
N/A
0
Average Break-Points Converted (Set 2)
N/A
N/A
0
Average Break-Points Converted (Set 3)
N/A
N/A
0
will Break Serve %
N/A
N/A
0
will not Break Serve %
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
0

Breaks Per Set data uses Set 1 as a sample.

Data Point
2026
Number
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
0 / 0
0
Over 1.5
N/A
0 / 0
0
Over 2.5
N/A
0 / 0
0
Over 3.5
N/A
0 / 0
0
Over 4.5
N/A
0 / 0
0
Over 5.5
N/A
0 / 0
0
Over 6.5
N/A
0 / 0
0
Data Point
2026
Number
Percentile
Average Break-Points Converted (Set 1)
N/A
N/A
0
Average Break-Points Converted (Set 2)
N/A
N/A
0
Average Break-Points Converted (Set 3)
N/A
N/A
0
will Break Serve %
N/A
N/A
0
will not Break Serve %
N/A
N/A
0
Over 0.5
N/A
0 / 0
0
Over 1.5
N/A
0 / 0
0
Over 2.5
N/A
0 / 0
0

Breaks Per Set data uses Set 1 as a sample.

Double Faults (Hard Courts)

Data Point
2026
Last 12
Percentile
Double Faults Per Match
N/A
N/A
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100
Data Point
2026
Number
Percentile
Double Faults Per Match
N/A
0 / 0
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100

Tie Breaks (Hard Courts)

Data Point
2026
Last 12
Percentile
Tie Breaks Per Match
0.00
0.23
0
Over 0.5
0%
8%
0
Over 1.5
0%
0%
0
Over 2.5
0%
0%
0
Under 0.5
100%
92%
69
Under 1.5
100%
100%
19
Under 2.5
100%
100%
0
Data Point
2026
Number
Percentile
Tie Breaks Per Match
0.2
N/A
52
Over 0.5
10%
N/A
53
Over 1.5
0%
N/A
0
Over 2.5
0%
N/A
N/A
Under 0.5
90%
N/A
37
Under 1.5
100%
N/A
32
Under 2.5
100%
N/A
0

Net Points Won (Hard Courts)

Data Point
2026
Last 12 Months
Percentile
Nets Points Won
N/A
N/A
0
Nets Points Won / Match (3 Sets)
N/A
N/A
0
More Nets Points Won Than Opponent
N/A
N/A
0
Same Nets Points Won As Opponent
N/A
N/A
0
Less Nets Points Won Than Opponent
N/A
N/A
0
Over 4.5
N/A
N/A
0
Over 5.5
N/A
N/A
0
Over 6.5
N/A
N/A
0
Over 7.5
N/A
N/A
0
Over 8.5
N/A
N/A
0
Over 9.5
N/A
N/A
0
Over 10.5
N/A
N/A
0
Over 11.5
N/A
N/A
0
Over 12.5
N/A
N/A
0
Over 13.5
N/A
N/A
0
Over 14.5
N/A
N/A
0
Data Point
Percentage
Percentile
Nets Points Won Percent
N/A
0
Nets Points Won Avg per match (3 Sets)
N/A
0
More Nets Points Won than opponent
N/A
0
Same Nets Points Won as opponent
N/A
0
Less Nets Points Won than opponent
N/A
0
Over 4.5
N/A
0
Over 5.5
N/A
0
Over 6.5
N/A
0
Over 7.5
N/A
0
Over 8.5
N/A
0
Over 9.5
N/A
0
Over 10.5
N/A
0
Over 11.5
N/A
0
Over 12.5
N/A
0
Over 13.5
N/A
0
Over 14.5
N/A
0
Over 15.5
N/A
0
Over 16.5
N/A
0
Over 17.5
N/A
0
Over 18.5
N/A
0
Over 19.5
N/A
0
Over 20.5
N/A
0
Over 21.5
N/A
0
Over 22.5
N/A
0
Over 23.5
N/A
0
Over 24.5
N/A
0
Over 25.5
N/A
0

Win Percentage (Clay Courts)

Data Point
2026
Last 12 Months
Percentile
Match Wins
N/A
50%
0
Match Wins (3 Sets)
N/A
50%
0
Wins in Straight Sets
N/A
33%
0
Wins From Behind
N/A
0%
0
Won At Least 1 Set
N/A
50%
0
Set 1 Win
N/A
50%
0
Set 2 Win
N/A
33%
0
Set 3 Win
N/A
100%
0
Data Point
Percentage
Number
Percentile
Match Wins
50%
3 / 6
23
Match Wins (3 Sets)
50%
3 / 6
24
Match Wins (5 Sets)
N/A
0 / 0
0
Wins in Straight Sets
33%
2 / 6
22
Wins From Behind
0%
0 times
40
Won At Least 1 Set
50%
3 / 6
33
Set 1 Win
50%
3 / 6
31
Set 2 Win
33%
2 / 6
25
Set 3 Win
100%
1 / 1
18
Set 4 Win
N/A
0 / 0
0
Set 5 Win
N/A
0 / 0
0

Aces (Clay Courts)

Data Point
2026
Last 12 Months
Percentile
Aces Per Match
N/A
N/A
0
Most Aces in a match
N/A
N/A
0
Over 0.5 Aces
N/A
N/A
0
Over 1.5 Aces
N/A
N/A
0
Over 2.5 Aces
N/A
N/A
0
Over 3.5 Aces
N/A
N/A
0
Over 4.5 Aces
N/A
N/A
0
Over 5.5 Aces
N/A
N/A
0
Over 6.5 Aces
N/A
N/A
0
Over 7.5 Aces
N/A
N/A
0
Over 8.5 Aces
N/A
N/A
0
Over 9.5 Aces
N/A
N/A
0
Over 14.5 Aces
N/A
N/A
0
Data Point
Percentage
Number
Percentile
Aces Per Match
N/A
0 / 0
0
Over 0.5 Aces
N/A
N/A
0
Over 1.5 Aces
N/A
N/A
0
Over 2.5 Aces
N/A
N/A
0
Over 3.5 Aces
N/A
N/A
0
Over 4.5 Aces
N/A
N/A
0
Over 5.5 Aces
N/A
N/A
0
Over 6.5 Aces
N/A
N/A
0
Over 7.5 Aces
N/A
N/A
0
Over 8.5 Aces
N/A
N/A
0
Over 9.5 Aces
N/A
N/A
0
Over 14.5 Aces
N/A
N/A
0

Match Total Games (Clay Courts)

Data Point
2026
Last 12 Months
Percentile
Average Total Games (3 Set Matches)
N/A
18.67
0
Over 12.5
N/A
100%
0
Over 13.5
N/A
100%
0
Over 14.5
N/A
100%
0
Over 15.5
N/A
67%
0
Over 16.5
N/A
67%
0
Over 17.5
N/A
50%
0
Over 18.5
N/A
33%
0
Over 19.5
N/A
17%
0
Over 20.5
N/A
17%
0
Over 21.5
N/A
17%
0
Over 22.5
N/A
17%
0
Over 23.5
N/A
17%
0
Over 24.5
N/A
17%
0
Over 25.5
N/A
17%
0
Over 26.5
N/A
17%
0
Over 27.5
N/A
17%
0
Over 28.5
N/A
0%
0
Over 29.5
N/A
0%
0
Over 30.5
N/A
0%
0
Data Point
Percentage
Percentile
Average Total Games (3 Set Matches)
18.67
13
Over 12.5
100%
69
Over 13.5
100%
82
Over 14.5
100%
91
Over 15.5
67%
6
Over 16.5
67%
18
Over 17.5
50%
8
Over 18.5
33%
4
Over 19.5
17%
1
Over 20.5
17%
2
Over 21.5
17%
3
Over 22.5
17%
5
Over 23.5
17%
8
Over 24.5
17%
10
Over 25.5
17%
15
Over 26.5
17%
24
Over 27.5
17%
40
Over 28.5
0%
0
Over 29.5
0%
0
Over 30.5
0%
0

Break Points Won (Clay Courts)

Data Point
2026
Last 12
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
0
Over 3.5
N/A
N/A
0
Over 4.5
N/A
N/A
0
Over 5.5
N/A
N/A
0
Over 6.5
N/A
N/A
0
Data Point
2026
Last 12
Percentile
Average Break-Points Converted (Set 1)
N/A
N/A
0
Average Break-Points Converted (Set 2)
N/A
N/A
0
Average Break-Points Converted (Set 3)
N/A
N/A
0
will Break Serve %
N/A
N/A
0
will not Break Serve %
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
0

Breaks Per Set data uses Set 1 as a sample.

Data Point
2026
Number
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
0 / 0
0
Over 1.5
N/A
0 / 0
0
Over 2.5
N/A
0 / 0
0
Over 3.5
N/A
0 / 0
0
Over 4.5
N/A
0 / 0
0
Over 5.5
N/A
0 / 0
0
Over 6.5
N/A
0 / 0
0
Data Point
2026
Number
Percentile
Average Break-Points Converted (Set 1)
N/A
N/A
0
Average Break-Points Converted (Set 2)
N/A
N/A
0
Average Break-Points Converted (Set 3)
N/A
N/A
0
will Break Serve %
N/A
N/A
0
will not Break Serve %
N/A
N/A
0
Over 0.5
N/A
0 / 0
0
Over 1.5
N/A
0 / 0
0
Over 2.5
N/A
0 / 0
0

Breaks Per Set data uses Set 1 as a sample.

Double Faults (Clay Courts)

Data Point
2026
Last 12
Percentile
Double Faults Per Match
N/A
N/A
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100
Data Point
2026
Number
Percentile
Double Faults Per Match
N/A
0 / 0
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100

Tie Breaks (Clay Courts)

Data Point
2026
Last 12
Percentile
Tie Breaks Per Match
N/A
0.00
0
Over 0.5
N/A
0%
0
Over 1.5
N/A
0%
0
Over 2.5
N/A
0%
0
Under 0.5
N/A
100%
0
Under 1.5
N/A
100%
0
Under 2.5
N/A
100%
0
Data Point
2026
Number
Percentile
Tie Breaks Per Match
0
N/A
0
Over 0.5
0%
N/A
0
Over 1.5
0%
N/A
0
Over 2.5
0%
N/A
N/A
Under 0.5
100%
N/A
83
Under 1.5
100%
N/A
32
Under 2.5
100%
N/A
0

Win Percentage (Grass Courts)

Data Point
2026
Last 12 Months
Percentile
Match Wins
N/A
N/A
0
Match Wins (3 Sets)
N/A
N/A
0
Wins in Straight Sets
N/A
N/A
0
Wins From Behind
N/A
N/A
0
Won At Least 1 Set
N/A
N/A
0
Set 1 Win
N/A
N/A
0
Set 2 Win
N/A
N/A
0
Set 3 Win
N/A
N/A
0
Data Point
Percentage
Number
Percentile
Match Wins
N/A
0 / 0
23
Match Wins (3 Sets)
N/A
0 / 0
24
Match Wins (5 Sets)
N/A
0 / 0
0
Wins in Straight Sets
N/A
0 / 0
22
Wins From Behind
N/A
0 times
40
Won At Least 1 Set
N/A
0 / 0
33
Set 1 Win
N/A
0 / 0
31
Set 2 Win
N/A
0 / 0
25
Set 3 Win
N/A
0 / 0
18
Set 4 Win
N/A
0 / 0
0
Set 5 Win
N/A
0 / 0
0

Aces (Grass Courts)

Data Point
2026
Last 12 Months
Percentile
Aces Per Match
N/A
N/A
0
Most Aces in a match
N/A
N/A
0
Over 0.5 Aces
N/A
N/A
0
Over 1.5 Aces
N/A
N/A
0
Over 2.5 Aces
N/A
N/A
0
Over 3.5 Aces
N/A
N/A
0
Over 4.5 Aces
N/A
N/A
0
Over 5.5 Aces
N/A
N/A
0
Over 6.5 Aces
N/A
N/A
0
Over 7.5 Aces
N/A
N/A
0
Over 8.5 Aces
N/A
N/A
0
Over 9.5 Aces
N/A
N/A
0
Over 14.5 Aces
N/A
N/A
0
Data Point
Percentage
Number
Percentile
Aces Per Match
N/A
0 / 0
0
Over 0.5 Aces
N/A
N/A
0
Over 1.5 Aces
N/A
N/A
0
Over 2.5 Aces
N/A
N/A
0
Over 3.5 Aces
N/A
N/A
0
Over 4.5 Aces
N/A
N/A
0
Over 5.5 Aces
N/A
N/A
0
Over 6.5 Aces
N/A
N/A
0
Over 7.5 Aces
N/A
N/A
0
Over 8.5 Aces
N/A
N/A
0
Over 9.5 Aces
N/A
N/A
0
Over 14.5 Aces
N/A
N/A
0

Match Total Games (Grass Courts)

Data Point
2026
Last 12 Months
Percentile
Average Total Games (3 Set Matches)
N/A
N/A
0
Over 12.5
N/A
N/A
0
Over 13.5
N/A
N/A
0
Over 14.5
N/A
N/A
0
Over 15.5
N/A
N/A
0
Over 16.5
N/A
N/A
0
Over 17.5
N/A
N/A
0
Over 18.5
N/A
N/A
0
Over 19.5
N/A
N/A
0
Over 20.5
N/A
N/A
0
Over 21.5
N/A
N/A
0
Over 22.5
N/A
N/A
0
Over 23.5
N/A
N/A
0
Over 24.5
N/A
N/A
0
Over 25.5
N/A
N/A
0
Over 26.5
N/A
N/A
0
Over 27.5
N/A
N/A
0
Over 28.5
N/A
N/A
0
Over 29.5
N/A
N/A
0
Over 30.5
N/A
N/A
0
Data Point
Percentage
Percentile
Average Total Games (3 Set Matches)
N/A
0
Over 12.5
N/A
0
Over 13.5
N/A
0
Over 14.5
N/A
0
Over 15.5
N/A
0
Over 16.5
N/A
0
Over 17.5
N/A
0
Over 18.5
N/A
0
Over 19.5
N/A
0
Over 20.5
N/A
0
Over 21.5
N/A
0
Over 22.5
N/A
0
Over 23.5
N/A
0
Over 24.5
N/A
0
Over 25.5
N/A
0
Over 26.5
N/A
0
Over 27.5
N/A
0
Over 28.5
N/A
0
Over 29.5
N/A
0
Over 30.5
N/A
0

Break Points Won (Grass Courts)

Data Point
2026
Last 12
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
0
Over 3.5
N/A
N/A
0
Over 4.5
N/A
N/A
0
Over 5.5
N/A
N/A
0
Over 6.5
N/A
N/A
0
Data Point
2026
Last 12
Percentile
Average Break-Points Converted (Set 1)
N/A
N/A
0
Average Break-Points Converted (Set 2)
N/A
N/A
0
Average Break-Points Converted (Set 3)
N/A
N/A
0
will Break Serve %
N/A
N/A
0
will not Break Serve %
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
0

Breaks Per Set data uses Set 1 as a sample.

Data Point
2026
Number
Percentile
Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
0 / 0
0
Over 1.5
N/A
0 / 0
0
Over 2.5
N/A
0 / 0
0
Over 3.5
N/A
0 / 0
0
Over 4.5
N/A
0 / 0
0
Over 5.5
N/A
0 / 0
0
Over 6.5
N/A
0 / 0
0
Data Point
2026
Number
Percentile
Average Break-Points Converted (Set 1)
N/A
N/A
0
Average Break-Points Converted (Set 2)
N/A
N/A
0
Average Break-Points Converted (Set 3)
N/A
N/A
0
will Break Serve %
N/A
N/A
0
will not Break Serve %
N/A
N/A
0
Over 0.5
N/A
0 / 0
0
Over 1.5
N/A
0 / 0
0
Over 2.5
N/A
0 / 0
0

Breaks Per Set data uses Set 1 as a sample.

Double Faults (Grass Courts)

Data Point
2026
Last 12
Percentile
Double Faults Per Match
N/A
N/A
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100
Data Point
2026
Number
Percentile
Double Faults Per Match
N/A
0 / 0
100
Over 0.5 (1+)
N/A
N/A
100
Over 1.5 (2+)
N/A
N/A
100
Over 2.5 (3+)
N/A
N/A
100
Over 3.5 (4+)
N/A
N/A
100
Over 4.5 (5+)
N/A
N/A
100
Over 5.5 (6+)
N/A
N/A
100
Over 6.5 (7+)
N/A
N/A
100
Over 7.5 (8+)
N/A
N/A
100

Tie Breaks (Grass Courts)

Data Point
2026
Last 12
Percentile
Tie Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
0
Under 0.5
N/A
N/A
0
Under 1.5
N/A
N/A
0
Under 2.5
N/A
N/A
0
Data Point
2026
Number
Percentile
Tie Breaks Per Match
N/A
N/A
0
Over 0.5
N/A
N/A
0
Over 1.5
N/A
N/A
0
Over 2.5
N/A
N/A
N/A
Under 0.5
N/A
N/A
0
Under 1.5
N/A
N/A
0
Under 2.5
N/A
N/A
0

Latest Results For Hiromasa Koyama

Date
Tournament
 
Player
 
Opponent

Mar 4
2026

M15 Torello ITF Men
Hard

L

Hiromasa Koyama

0

 - 

2

Dominik Palan

Feb 25
2026

M15 Villena 2 ITF Men
Hard

L

Hiromasa Koyama

0

 - 

2

Samuel Heredia

Dec 26
2025

M15 Antalya 18 ITF Men
Clay

L

Hiromasa Koyama

0

 - 

2

Filip Cristian Jianu

Dec 25
2025

M15 Antalya 18 ITF Men
Clay

W

Hiromasa Koyama

2

 - 

0

Nikola Jovic

Dec 19
2025

M15 Antalya 17 ITF Men
Clay

L

Hiromasa Koyama

0

 - 

2

Ozan Baris

Dec 18
2025

M15 Antalya 17 ITF Men
Clay

W

Hiromasa Koyama

2

 - 

0

Dragos Nicolae Madaras

Dec 17
2025

M15 Antalya 17 ITF Men
Clay

W

Hiromasa Koyama

2

 - 

1

Dinko Dinev

Dec 3
2025

M15 Antalya 15 ITF Men
Clay

L

Hiromasa Koyama

0

 - 

2

Dragos Nicolae Madaras

Oct 22
2025

M15 Tanagura ITF Men
Hard

L

Hiromasa Koyama

1

 - 

2

Toshiki Karigyo

Sep 10
2025

M25 Sapporo 2 ITF Men
Hard

L

Hiromasa Koyama

1

 - 

2

Yusuke Kusuhara

Sep 2
2025

M25 Sapporo ITF Men
Hard

L

Hiromasa Koyama

1

 - 

2

Shinji Hazawa

Jul 10
2025

M15 Tokyo 2 ITF Men
Hard

L

Hiromasa Koyama

0

 - 

2

Jake Delaney

Jul 8
2025

M15 Tokyo 2 ITF Men
Hard

W

Hiromasa Koyama

2

 - 

0

Kyle Seelig

Jul 3
2025

M15 Tokyo ITF Men
Hard

L

Hiromasa Koyama

0

 - 

2

Hikaru Shiraishi

Jul 2
2025

M15 Tokyo ITF Men
Hard

W

Hiromasa Koyama

2

 - 

1

Tai Sach

Apr 1
2025

M15 Kashiwa ITF Men
Hard

L

Hiromasa Koyama

1

 - 

2

Daisuke Sumizawa

Mar 26
2025

M15 Tsukuba ITF Men
Hard

L

Hiromasa Koyama

0

 - 

2

Yusuke Takahashi

Mar 12
2025

M15 Hinode ITF Men
Hard

L

Hiromasa Koyama

0

 - 

2

Yuta Kawahashi

Jan 19
2025

Australian Open Boys
Hard

L

Hiromasa Koyama

1

 - 

2

Andres Santamarta Roig

Jan 15
2025

Australian Open Boys
Hard

W

Hiromasa Koyama

2

 - 

0

Tudor Batin

Jan 14
2025

Australian Open Boys
Hard

W

Hiromasa Koyama

2

 - 

1

Filip Kosinski

 
Total Sets
 
Hiromasa Koyama
19 - 31
Opponent
 
Total Wins
 
Hiromasa Koyama
7 - 14
Opponent
 
Win Percentage
 
Hiromasa Koyama
33% - 67%
Opponent

CSV / Excel File Downloads For Koyama

Full Stats (All Courts)

Each column shows stats for a single year, and the first column will show Koyama's career data.

Titles

Tournament

Year

Result

M15 Antalya 18 ITF Doubles Men

2025

2nd

Show Totals (123)
P Time : 0.0059041976928711