Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/09/29 10:20 | Kousuke Ogura v Ryotaro Matsumura | 6-1,1-6,6-2 |
| UTR Pro Yokohama | 2025/08/24 00:00 | Koki Matsuda v Ryotaro Matsumura | 6-1,6-4 |
| UTR Pro Yokohama | 2025/08/23 02:00 | Ryotaro Matsumura v Ryota Tanuma | 7-6,6-2 |
| UTR Pro Yokohama | 2025/08/22 02:50 | Ryotaro Matsumura v Yuga Tashiro | 6-2,6-1 |
| UTR Pro Yokohama | 2025/08/20 00:45 | Ryotaro Matsumura v Semen Batin | 6-1,6-1 |
| UTR Pro Yokohama | 2025/08/19 01:40 | Ryotaro Matsumura v Natsuki Yamamoto | 6-4,6-4 |
| UTR Pro Yokohama | 2025/08/18 01:55 | Dmitry Dolzhenkov v Ryotaro Matsumura | 1-6,0-6 |
| UTR Pro Yokohama | 2025/08/17 00:00 | Ryota Tanuma v Ryotaro Matsumura | 4-6,1-6 |
| UTR Pro Yokohama | 2025/08/16 03:25 | Kazuki Nishiwaki v Ryotaro Matsumura | 2-6,1-6 |
| ITF M15 Singapore | 2025/08/15 04:10 | Koki Matsuda v Kousuke Ogura | 6-3,2-6,6-2 |
| ITF M15 Singapore | 2025/08/14 03:30 | Daniel Abadia v Kousuke Ogura | 2-6,1-6 |
| ITF M15 Singapore | 2025/08/12 05:20 | Shaheed Alam v Kousuke Ogura | 0-6,2-6 |
| ITF M15 Singapore | 2025/08/07 05:45 | Ali Habib v Kousuke Ogura | 4-6,7-6,7-6 |
| ITF M15 Singapore | 2025/08/06 03:30 | Marcel Kamrowski v Kousuke Ogura | 6-7,3-6 |
| ITF M15 Santa Tecla | 2025/07/23 15:00 | Ricardo Rodriguez-Pace v Kousuke Ogura | 6-2,4-6,7-6 |
| Challenger Granby | 2025/07/14 16:50 | Patrick Maloney v Kousuke Ogura | 6-4,6-3 |
| ITF M25 Dallas | 2025/07/09 18:00 | Alan Magadan v Kousuke Ogura | 7-6,6-4 |