| UTR Pro Miki | 2023/02/09 03:30 | Ren Nakamura v Ryotaro Taguchi | 4-6,5-7 |
| ITF M25 Montreal | 2023/03/13 13:55 | Jesse Flores v Ren Nakamura | 6-2,6-1 |
| ITF M25 Montreal | 2023/03/07 17:10 | Drew Van Orderlain v Ren Nakamura | 7-6,7-5 |
| ITF M25 Montreal | 2023/03/06 19:30 | Ren Nakamura v Sid Donarski | 7-6,6-1 |
| UTR Pro Miki | 2023/02/10 04:30 | Ren Nakamura v Seita Watanabe | 5-7,2-6 |
| UTR Pro Miki | 2023/02/09 03:30 | Ren Nakamura v Ryotaro Taguchi | 4-6,5-7 |
| UTR Pro Miki | 2023/02/07 06:30 | Ryohei Takase v Ren Nakamura | 1-6,1-6 |
| ITF M25 Traralgon | 2022/11/22 00:00 | Ren Nakamura v Tai Leonard Sach | 5-7,3-6 |
| ITF M25 Traralgon | 2022/11/20 00:00 | Ren Nakamura v Jesse Delaney | 4-6,6-0,10-7 |
| ITF M25 Monastir | 2023/02/20 14:30 | Mischa Zverev v Ryotaro Taguchi | 6-2,6-1 |
| ITF M25 Monastir | 2023/02/20 10:10 | Ryotaro Taguchi v Marc Antoine Gaillard | 6-1,6-3 |
| UTR Pro Miki | 2023/02/11 00:30 | Yuta Kawahashi v Ryotaro Taguchi | 6-0,6-4 |
| UTR Pro Miki | 2023/02/10 05:30 | Ryohei Takase v Ryotaro Taguchi | 1-6,7-5,1-6 |
| UTR Pro Miki | 2023/02/09 03:30 | Ren Nakamura v Ryotaro Taguchi | 4-6,5-7 |
| UTR Pro Miki | 2023/02/06 03:30 | Ryotaro Taguchi v Seita Watanabe | 6-2,6-7,7-6 |
| 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 |