| UTR Pro - Miki | 2023/06/28 02:00 | Rikuto Yamaguchi v Ryoma Matsushita | 6-1,4-6,6-3 |
| UTR Pro - Miki | 2023/06/27 02:00 | Rikuto Yamaguchi v Mizuki Kawada | 7-6,6-1 |
| UTR Pro - Calgary | 2023/06/18 15:00 | Anish Sriniketh v Rikuto Yamaguchi | 6-2,6-4 |
| UTR Pro - Calgary | 2023/06/17 19:30 | Rikuto Yamaguchi v Georgio Samaha | 6-4,6-4 |
| UTR Pro - Calgary | 2023/06/15 22:30 | Rikuto Yamaguchi v Chetanna Amadike | 6-4,6-7,1-6 |
| UTR Pro - Calgary | 2023/06/14 20:22 | Rikuto Yamaguchi v John Kim | 7-5,5-7,2-6 |
| UTR Pro - Calgary | 2023/06/13 21:00 | Rikuto Yamaguchi v Jonathan Irwanto | 7-6,7-6 |
| UTR Pro - Calgary | 2023/06/12 20:58 | Rikuto Yamaguchi v Isaac Nortey | 5-7,6-7 |
| UTR Pro - Miki | 2023/06/28 02:00 | Yuto Takahashi v Ryotaro Taguchi | 2-6,4-6 |
| UTR Pro - Miki | 2023/06/26 02:00 | Mizuki Kawada v Ryotaro Taguchi | 0-6,4-6 |
| ITF - Nakhon Si Thammarat M25 | 2023/06/14 06:10 | Yusuke Takahashi v Ryotaro Taguchi | 6-2,6-1 |
| ITF - Nakhon Si Thammarat M25 | 2023/06/12 02:00 | Ryotaro Taguchi v Guntinun Sootinun-Opart | 6-4,6-3 |
| ITF - Nakhon Si Thammarat M25 | 2023/06/11 04:20 | Ryotaro Taguchi v Teerapat Khantiweerawat | 6-2,6-2 |
| ITF - Nakhon Si Thammarat M15 | 2023/06/07 03:25 | Ryotaro Taguchi v Philip Sekulic | 4-6,5-7 |
| ITF - Nakhon Si Thammarat M15 | 2023/06/05 05:10 | Ryotaro Taguchi v Natthasith Kunsuwan | 6-0,6-3 |
| ITF - Nakhon Si Thammarat M15 | 2023/06/02 02:00 | Chase Ferguson v Ryotaro Taguchi | 6-7,6-4,6-3 |