Ground: Hardcourt outdoor
| ITF M15 Karuizawa | 2025/06/05 04:08 | Ryotaro Matsumura v Yuto Oki | 3-6,4-6 |
| ITF M15 Karuizawa | 2025/06/04 05:58 | Ryotaro Matsumura v Ko Nagashima | 6-1,6-2 |
| 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 M25 Martos | 2025/06/11 14:00 | Mark Whitehouse v Andres F Canovas | 6-2,6-7,0-6 |
| ITF M25 Nottingham | 2025/05/08 09:00 | Charles Broom v Mark Whitehouse | 6-1,6-3 |
| ITF M25 Nottingham | 2025/05/06 11:07 | Mark Whitehouse v Benjamin Gusic Wan | 6-2,6-1 |
| ITF M25 Nottingham | 2025/05/05 14:46 | Mark Whitehouse v Phoenix Weir | 6-4,4-6,1-0 |
| ITF M25 Nottingham Qual | 2025/05/04 14:00 | Mark Whitehouse v Ying Hou | 6-3,6-3 |
| Challenger San Luis Potosi | 2025/04/14 19:20 | Mark Whitehouse v James Watt | 3-6,1-6 |
| Challenger San Luis Potosi | 2025/04/13 19:10 | Kousuke Ogura v Mark Whitehouse | 2-6,2-6 |
| Challenger Hersonissos | 2025/03/03 10:55 | Ryan Peniston v Mark Whitehouse | 6-3,6-4 |