Japan: M15 Tanagura - Singles - Main
Australia: Australian Open - Singles - Main
Singapore: M15 Singapore - Doubles - Main
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Koyama Hiromasa Stats, Results & Fixtures
- Show:
 Spain: M15 Torello - Singles - Main | |||||||
|---|---|---|---|---|---|---|---|
| 1/16-finals | Palan D. | Koyama H. | 2:0 (7:5, 6:1) | details | 04.03.2026 | ||
| Spain: M15 Villena 2 - Singles - Main | |||||||
| 1/16-finals | Koyama H. | Heredia S. | 0:2 (2:6, 3:6) | details | 25.02.2026 | ||
 Turkey: M15 Antalya 18 - Singles - Main | |||||||
| 1/8-finals | Jianu F. C. | Koyama H. | 2:0 (6:1, 6:2) | details | 26.12.2025 | ||
| 1/16-finals | Koyama H. | Jovic N. | 2:0 (6:2, 6:3) | details | 25.12.2025 | ||
| Turkey: M15 Antalya 17 - Singles - Main | |||||||
| Quarter-finals | Baris O. | Koyama H. | 2:0 (6:1, 6:2) | details | 19.12.2025 | ||
- Show:
| Spain: M15 Torello - Doubles - Main | |||||||
|---|---|---|---|---|---|---|---|
| Quarter-finals | Ivarsson J./Koyama H. | Eichenseher D./Gschwendtner J. | 0:2 (3:6, 1:6) | details | 04.03.2026 | ||
| 1/8-finals | Ivarsson J./Koyama H. | Bianchi J./Munoz Fuster J. | 2:0 (7:5, 6:4) | details | 03.03.2026 | ||
| Spain: M15 Villena 2 - Doubles - Main | |||||||
| 1/8-finals | Ivarsson J./Koyama H. | Burdet A./Gutierrez O. J. | 0:2 (3:6, 3:6) | details | 25.02.2026 | ||
| Spain: M15 Villena - Doubles - Main | |||||||
| 1/8-finals | Koyama H./Leather J. | Heredia S./Linde Palacios S. A. | 0:2 (4:6, 3:6) | details | 18.02.2026 | ||
| Turkey: M15 Antalya 18 - Doubles - Main | |||||||
| Final | Al Azmeh T./Baris O. | Koyama H./Muto S. | 2:0 (6:4, 7:61) | details | 27.12.2025 | ||
