Stadium: Sub Court B Round: 26 Ground: Hardcourt outdoor
| ITF M15 Tokyo | 2024/07/04 02:00 | Naoki Nakagawa v Ryotaro Matsumura | 7-6,3-6,6-1 |
| ITF M25 Sapporo | 2024/09/04 02:50 | Ryotaro Matsumura v Taisei Ichikawa | 2-6,7-5,6-4 |
| ITF M25 Sapporo | 2024/09/01 01:00 | Ryotaro Matsumura v Calvin Thalheimer | 6-0,6-0 |
| UTR Pro Kawaguchi | 2024/08/17 02:06 | Yuta Tomida v Ryotaro Matsumura | 6-3,6-2 |
| UTR Pro Kawaguchi | 2024/08/15 06:46 | Ryo Minakata v Ryotaro Matsumura | 6-4,6-3 |
| UTR Pro Kawaguchi | 2024/08/15 01:43 | Kazuma Kawachi v Ryotaro Matsumura | 5-7,6-7 |
| UTR Pro Kawaguchi | 2024/08/12 03:30 | Yuki Karatsu v Ryotaro Matsumura | 3-6,1-5 |
| ITF M15 Tokyo | 2024/07/10 07:25 | Sanhui Shin v Ryotaro Matsumura | 5-7,7-6,6-4 |
| ITF M15 Tokyo | 2024/07/09 02:45 | Ryotaro Matsumura v Yunseok Jang | 6-1,6-0 |
| ITF M25 Sapporo | 2024/09/03 00:45 | Hayato Matsuoka v Naoki Nakagawa | 2-6,4-6 |
| Challenger Santo Domingo | 2024/08/12 16:05 | Naoki Nakagawa v Christian Langmo | 6-7,4-6 |
| Challenger Santo Domingo | 2024/08/11 19:10 | Naoki Nakagawa v Enmanuel Munoz | 6-2,6-2 |
| Challenger Lincoln | 2024/08/05 16:00 | Naoki Nakagawa v Jack Pinnington Jones | 2-6,6-1,1-6 |
| Challenger Lincoln | 2024/08/04 15:00 | Naoki Nakagawa v Niki Kaliyanda Poonacha | 6-3,6-2 |
| Challenger Lexington | 2024/07/29 14:35 | Naoki Nakagawa v Joshua Lapadat | 3-6,6-2,4-6 |
| Challenger Chicago | 2024/07/22 16:00 | Naoki Nakagawa v Michael Zheng | 5-7,4-6 |
| Challenger Chicago | 2024/07/21 16:55 | Clement Chidekh v Naoki Nakagawa | 3-6,2-6 |