| ITF M25 Kashiwa | 2023/04/05 03:15 | Ryotaro Taguchi v Daisuke Sumizawa | 6-7,7-6,6-7 |
| UTR Pro Kawaguchi | 2024/08/15 08:07 | Ryotaro Taguchi v Kazuki Sugimoto | 6-4,6-4 |
| UTR Pro Kawaguchi | 2024/08/15 04:44 | Ryotaro Taguchi v Taketo Takamisawa | 6-2,7-5 |
| UTR Pro Kawaguchi | 2024/08/14 04:18 | Tatsuma Ito v Ryotaro Taguchi | 7-5,4-6,6-3 |
| ITF M25 Taipei | 2024/08/03 01:55 | Keisuke Saitoh v Ryotaro Taguchi | 3-6,7-6,7-6 |
| ITF M25 Taipei | 2024/08/02 02:25 | Ryotaro Taguchi v Tsung-Hao Huang | 6-4,6-4 |
| ITF M25 Taipei | 2024/08/01 05:20 | Mitsuki Wei Kang Leong v Ryotaro Taguchi | 5-7,2-6 |
| ITF M25 Taipei | 2024/07/31 07:05 | Ray Ho v Ryotaro Taguchi | 5-7,2-6 |
| ITF M25 Tianjin | 2024/07/18 01:55 | Yunseong Chung v Ryotaro Taguchi | 6-3,7-6 |
| UTR Pro Kawaguchi | 2024/08/15 07:43 | Daisuke Sumizawa v Seiya Nakanishi | 6-2,6-3 |
| UTR Pro Kawaguchi | 2024/08/14 01:00 | Daisuke Sumizawa v Mao Takada | 6-1,6-4 |
| UTR Pro Kawaguchi | 2024/08/13 03:30 | Daisuke Sumizawa v Christopher Kosei Ono | 6-2,6-1 |
| UTR Pro Kawaguchi | 2024/08/12 00:00 | Emon Van Loben Sels v Daisuke Sumizawa | 7-6,6-4 |
| ITF M15 Nakhon Si Thammarat | 2024/07/17 02:30 | James Watt v Daisuke Sumizawa | 7-6,6-2 |
| ITF M15 Nakhon Si Thammarat | 2024/07/11 03:00 | Daisuke Sumizawa v Jesse Delaney | 3-6,6-3,6-7 |
| ITF M15 Nakhon Si Thammarat | 2024/07/10 02:00 | Daisuke Sumizawa v Kazuma Kawachi | 7-6,6-7,6-2 |
| ITF M15 Nakhon Si Thammarat | 2024/07/02 01:50 | Isaac Becroft v Daisuke Sumizawa | 6-1,6-4 |