Steaua Bucharest 3-6,0-6 Yusuke Takahashi 2025-02-01 04:30
Ground: Hardcourt outdoor
Home History
| ITF M25 Sapporo | 2024/09/08 01:00 | Kohei Hayashi v Hiromasa Koyama | 6-2,6-4 |
| ITF M25 Sapporo | 2024/09/05 03:10 | Hiromasa Koyama v Keisuke Saitoh | 0-6,6-4,3-6 |
| ITF M25 Sapporo | 2024/09/03 03:00 | Hyeon Chung v Hiromasa Koyama | 5-7,1-6 |
| ITF M15 Tokyo | 2024/07/10 06:15 | Kenta Miyoshi v Hiromasa Koyama | 6-1,6-2 |
| ITF M15 Tokyo | 2024/07/03 03:30 | Hiromasa Koyama v Ryotaro Matsumura | 4-6,5-7 |
| ITF M15 Hinode | 2024/03/11 01:00 | Hiromasa Koyama v Hong Kit Wong | 7-6,3-6,4-10 |
| UTR Pro Noda | 2023/08/26 00:00 | Hiromasa Koyama v Paul Howe | 6-7,6-7 |
| UTR Pro Noda | 2023/08/25 00:00 | Hiromasa Koyama v Hiiro Sakamoto | 1-6,1-6 |
Away History
| ITF M25 Chennai | 2025/01/17 05:00 | Yusuke Takahashi v Stefanos Sakellaridis | 5-7,3-6 |
| ITF M25 Chennai | 2025/01/16 06:00 | Yusuke Takahashi v Ryuki Matsuda | 3-6,6-4,6-2 |
| ITF M25 Chennai | 2025/01/14 04:30 | Yusuke Takahashi v Siddharth Vishwakarma | 6-2,6-2 |
| Challenger Nonthaburi | 2025/01/09 06:05 | Yusuke Takahashi v Marat Sharipov | 3-6,6-4,2-6 |
| Challenger Nonthaburi | 2025/01/08 06:15 | Hiroki Moriya v Yusuke Takahashi | 4-6,4-6 |
| Challenger Nonthaburi | 2025/01/06 03:00 | Yusuke Takahashi v Ryotaro Taguchi | 6-4,6-4 |
| Challenger Nonthaburi | 2025/01/05 03:00 | Saba Purtseladze v Yusuke Takahashi | 6-3,3-6,4-6 |
| Challenger Noumea | 2025/01/01 03:40 | Yusuke Takahashi v Enzo Couacaud | 3-6,4-6 |