Stadium: KPI Park - Court 02 Ground: Hardcourt outdoor
Referee:
| UTR Pro Urayasu | 2025/05/24 03:50 | Ryotaro Matsumura v Derek Pham | 3-6,4-6 |
| UTR Pro Urayasu | 2025/05/24 00:00 | Ryotaro Matsumura v Kotaro Mochizuki | 6-4,6-3 |
| UTR Pro Urayasu | 2025/05/23 00:00 | Emiliano Jorquera v Ryotaro Matsumura | 4-6,4-6 |
| UTR Pro Urayasu | 2025/05/22 07:00 | Kosuke Nakanishi v Ryotaro Matsumura | 6-7,3-6 |
| UTR Pro Urayasu | 2025/05/21 04:10 | Takeyasu Sekiguchi v Ryotaro Matsumura | 3-6,6-7 |
| UTR Pro Urayasu | 2025/05/19 04:45 | Toa Maeda v Ryotaro Matsumura | 1-6,0-6 |
| ITF M15 Osaka | 2025/04/21 04:30 | Ryotaro Matsumura v Riku Takahata | 1-6,3-6 |
| ITF M15 Osaka | 2025/04/16 02:30 | Ryotaro Matsumura v Jumpei Yamasaki | 1-6,5-7 |
| ITF M15 Tsaghkadzor Qual | 2025/05/25 11:00 | Filippo Alberti v Semen Batin | 6-4,6-2 |
| ITF M15 Tsaghkadzor Qual | 2024/10/20 06:00 | Artur Aiukhanov v Semen Batin | 1-6,1-6 |