Hiromasa Koyama (JPN)
Country: Japan,
Born in 2007 (17 years old),
Category: ATP
ATP Ranking
1953
5
Season High : 1925
Career High : 1925
ITF Ranking
134
0
Season High : 134
Career High : 134
| Tierlevel | Tourn. | Titles | Matches | Wins | Losses | PCT | 6-0 | 0-6 | 7-6 | 6-7 | Total | 19 | 0 | 45 | 26 | 19 | 0.578 | 3 | 1 | 4 | 3 |
|---|---|---|---|---|---|---|---|---|---|---|
| M25 | 1 | 0 | 2 | 1 | 1 | 0.500 | 0 | 1 | 0 | 0 |
| M15 | 2 | 0 | 2 | 0 | 2 | 0.000 | 0 | 0 | 0 | 0 |
| J500 Boys | 1 | 0 | 1 | 0 | 1 | 0.000 | 0 | 0 | 0 | 0 |
| J300 Boys | 2 | 0 | 9 | 7 | 2 | 0.778 | 0 | 0 | 1 | 0 |
| J200 Boys | 3 | 0 | 7 | 4 | 3 | 0.571 | 0 | 0 | 1 | 0 |
| J100 Boys | 10 | 0 | 24 | 14 | 10 | 0.583 | 3 | 0 | 2 | 3 |
Tournaments played in 2024
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