| UTR Pro Noda | 2023/10/18 03:00 | Hiiro Sakamoto v Kusunoki Haruto | 6-7,6-2,7-5 |
| UTR Pro Noda | 2023/10/17 03:00 | Hiiro Sakamoto v Ziga Svec | 6-2,6-0 |
| UTR Pro Noda | 2023/10/16 00:30 | Christopher Kosei Ono v Hiiro Sakamoto | 5-7,6-7 |
| UTR Pro Noda | 2023/08/26 07:30 | Brody Nejedly-Krall v Hiiro Sakamoto | 6-4,6-3 |
| UTR Pro Noda | 2023/08/25 06:00 | Shun Oue v Hiiro Sakamoto | 3-6,4-6 |
| UTR Pro Noda | 2023/08/25 00:00 | Hiromasa Koyama v Hiiro Sakamoto | 1-6,1-6 |
| UTR Pro Noda | 2023/08/23 00:00 | Hiiro Sakamoto v Yuta Tomida | 1-6,7-6,1-6 |
| UTR Pro Miki | 2023/07/01 07:00 | Hiiro Sakamoto v Mizuki Kawada | 4-6,1-6 |
| UTR Pro Noda | 2023/10/19 02:57 | Ziga Svec v Ryota Tanuma | 2-6,2-6 |
| UTR Pro Noda | 2023/10/17 03:35 | Christopher Kosei Ono v Ryota Tanuma | 2-6,2-6 |
| UTR Pro Noda | 2023/10/16 03:30 | Ryota Tanuma v Kusunoki Haruto | 6-0,5-2 |
| ITF M25 Takasaki | 2023/09/21 02:00 | Gage Brymer v Ryota Tanuma | 6-1,6-4 |
| ITF M25 Takasaki | 2023/09/20 02:40 | Ryota Tanuma v Mitsuki Wei Kang Leong | 6-4,6-4 |
| ITF M25 Sapporo | 2023/09/13 01:00 | Shuichi Sekiguchi v Ryota Tanuma | 7-6,6-1 |
| ITF M25 Sapporo | 2023/09/07 00:50 | Kokoro Isomura v Ryota Tanuma | 6-4,6-3 |
| ITF M25 Sapporo | 2023/09/05 02:00 | Ryota Tanuma v Yunseok Jang | 6-4,7-5 |