| ITF - M15 Monastir | 2023/01/04 12:20 | Peter Fajta v Ryotaro Taguchi | 6-2,6-3 |
| ITF - M15 Monastir | 2023/01/02 16:30 | Ryotaro Taguchi v Vadym Konovchuk | 6-4,6-1 |
| ITF - M15 Monastir | 2023/01/02 10:00 | Toufik Sahtali v Ryotaro Taguchi | 3-6,2-6 |
| ITF - M15 Monastir | 2022/12/30 09:30 | Ryotaro Taguchi v Bogdan Bobrov | 2-6,3-6 |
| ITF - M15 Monastir | 2022/12/29 10:00 | Vladislav Ivanov v Ryotaro Taguchi | 7-6,4-6,2-6 |
| ITF - M15 Monastir | 2022/12/28 14:15 | Petr Nesterov v Ryotaro Taguchi | 1-6,0-6 |
| ITF - M15 Monastir | 2022/12/26 11:30 | Ammar Elamin v Ryotaro Taguchi | 2-6,3-6 |
| ITF - M15 Monastir | 2022/12/26 08:00 | Ryotaro Taguchi v Max Cunat | 6-4,6-3 |
| Challenger - Kobe | 2022/11/13 01:00 | Mukund Sasikumar v Seita Watanabe | 6-3,6-1 |
| ITF - M25 Jacarta | 2022/10/27 02:00 | Thomas Fancutt v Seita Watanabe | 7-5,7-5 |
| ITF - M25 Jacarta | 2022/10/26 04:20 | Congsup Congcar v Seita Watanabe | 2-6,2-6 |
| Challenger - Busan | 2022/10/16 01:30 | Max Purcell v Seita Watanabe | 6-0,6-2 |
| Challenger - Seul | 2022/10/09 05:25 | Hiroki Moriya v Seita Watanabe | 6-3,6-2 |
| Challenger Gwangju | 2022/10/03 04:00 | Yunseong Chung v Seita Watanabe | 6-2,7-6 |
| Challenger Gwangju | 2022/10/02 06:00 | Woohyuk Sim v Seita Watanabe | 2-6,0-6 |
| ITF - M25 Kashiwa | 2022/09/29 01:00 | Rio Noguchi v Seita Watanabe | 6-7,6-3,6-3 |