Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| 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 M25 Sapporo | 2023/09/08 01:00 | Sora Fukuda v Ryotaro Matsumura | 4-6,6-3,6-4 |
| ITF M25 Sapporo | 2023/09/07 03:00 | Ryotaro Matsumura v Tatsuma Ito | 7-6,6-4 |
| UTR Pro Noda | 2023/08/26 04:45 | Naoya Honda v Ryotaro Matsumura | 6-2,6-1 |
| UTR Pro Noda | 2023/08/25 05:20 | Ryotaro Matsumura v Paul Howe | 6-2,6-0 |
| UTR Pro Noda | 2023/08/23 02:15 | Ryotaro Matsumura v Tomonobu Inagi | 6-0,6-2 |
| ITF M25 Takasaki | 2023/09/18 01:00 | Toru Horie v Lennon-Roark Jones | 6-4,7-5 |
| ITF M25 Takasaki | 2023/09/17 01:00 | Tomohiro Masabayashi v Toru Horie | 1-6,3-6 |
| ITF M25 Sapporo | 2023/09/10 01:00 | Toru Horie v Omar Fields | 6-3,3-6,9-11 |
| ITF M15 Karuizawa | 2023/05/31 01:00 | Toru Horie v Hikaru Shiraishi | 4-6,6-4,4-6 |
| ITF M15 Karuizawa | 2023/05/30 02:00 | Toru Horie v Taki Adachi | 6-2,6-1 |
| ITF M15 Karuizawa | 2023/05/28 01:15 | Ryusuke Horiuchi v Toru Horie | 2-6,4-6 |
| ITF M15 Monastir | 2023/05/10 14:10 | Toru Horie v Thomas Braithwaite | 2-6,6-3,6-7 |
| ITF M15 Monastir | 2023/05/09 12:30 | Toru Horie v Zhan Zheng | 7-5,4-6,10-6 |