Ground: Hardcourt outdoor
| 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 Miki | 2023/06/30 00:30 | Hiiro Sakamoto v Taiyo Kurata | 3-6,7-5,6-0 |
| UTR Pro Miki | 2023/06/28 00:30 | Hiiro Sakamoto v Kento Tagashira | 6-3,6-2 |