Stadium: Court 5 Round: 27 Ground: Hardcourt outdoor
| ITF M15 Yanagawa | 2023/12/20 02:30 | Hiroki Sakagawa v Ryotaro Matsumura | 2-6,1-6 |
| ITF M25 Dharwad | 2023/10/18 09:25 | Kazuki Nishiwaki v Ryotaro Matsumura | 6-2,7-5 |
| ITF M15 Ahmedabad | 2023/10/10 03:30 | Digvijay Pratap Singh v Ryotaro Matsumura | 6-2,6-4 |
| ITF M25 Takasaki | 2023/09/21 02:00 | Ryotaro Matsumura v Sora Fukuda | 1-6,1-6 |
| ITF M25 Takasaki | 2023/09/20 01:00 | Ryotaro Matsumura v Toru Horie | 6-0,5-7,7-6 |
| ITF M25 Takasaki | 2023/09/18 00:50 | Ryotaro Matsumura v Natsuki Yamamoto | 6-2,6-1 |
| ITF M25 Takasaki | 2023/09/17 01:00 | Ryotaro Matsumura v Seiya Nakanishi | 6-2,6-4 |
| ITF M25 Sapporo | 2023/09/10 03:00 | Ryotaro Matsumura v Yuta Tomida | 6-3,6-7,9-11 |
| ITF M15 Yanagawa | 2023/12/21 03:45 | Sanhui Shin v Kokoro Isomura | 6-3,5-7,7-6 |
| ITF M15 Yanagawa | 2023/12/21 00:30 | Sanhui Shin v Ko Suzuki | 6-1,6-4 |
| Challenger Kobe | 2023/11/12 02:25 | Sanhui Shin v Yunseong Chung | 3-6,3-6 |
| Challenger Matsuyama | 2023/11/05 04:00 | Tatsuma Ito v Sanhui Shin | 7-6,6-3 |
| ITF M25 Sapporo | 2023/09/12 07:10 | Sanhui Shin v Kousuke Ogura | 7-5,4-6,6-7 |
| ITF M25 Hong Kong | 2023/09/07 06:55 | Sanhui Shin v Henrik Wiersholm | 6-1,3-6,3-6 |
| ITF M25 Hong Kong | 2023/09/06 04:05 | Sanhui Shin v David Agung Susanto | 6-3,6-4 |
| ITF M25 Hong Kong | 2023/09/03 06:30 | Kasidit Samrej v Sanhui Shin | 5-7,6-7 |