Stadium: Court 1 Round: 28 Ground: Clay
| ITF M15 Karuizawa | 2023/06/03 03:30 | Sanhui Shin v Jumpei Yamasaki | 6-3,7-6 |
| ITF M15 Karuizawa | 2023/06/01 00:30 | Keisuke Saitoh v Sanhui Shin | 4-6,1-6 |
| ITF M15 Karuizawa | 2023/05/30 03:30 | Issei Okamura v Sanhui Shin | 6-3,2-6,1-6 |
| Challenger Gwangju | 2023/05/02 04:25 | Bu Yunchaokete v Sanhui Shin | 6-4,6-1 |
| Challenger Seoul | 2023/04/23 03:40 | Sanhui Shin v Dayne Kelly | 2-6,2-6 |
| ITF M25 Jakarta | 2023/04/18 02:15 | Makoto Ochi v Sanhui Shin | 6-2,6-1 |
| ITF M25 Jakarta | 2023/04/17 03:35 | Raphael D P Paska v Sanhui Shin | 0-6,1-6 |
| ITF M25 Jakarta | 2023/04/12 07:00 | Sanhui Shin v Evgeny Donskoy | 2-6,3-6 |
| ITF M15 Karuizawa | 2023/06/03 03:30 | Yuta Kawahashi v Hikaru Shiraishi | 7-5,1-6,10-7 |
| ITF M15 Karuizawa | 2023/06/01 00:30 | Jake Delaney v Yuta Kawahashi | 2-6,2-6 |
| ITF M15 Karuizawa | 2023/05/30 03:30 | Yuta Kawahashi v Tomohiro Masabayashi | 6-4,6-4 |
| ITF M25 Jakarta | 2023/04/24 02:20 | Yuta Kawahashi v Hanyi Liu | 3-6,0-6 |
| ITF M25 Jakarta | 2023/04/21 03:00 | Jeamoon Lee v Yuta Kawahashi | 6-4,7-5 |
| ITF M25 Jakarta | 2023/04/20 02:30 | Tomohiro Masabayashi v Yuta Kawahashi | 1-6,1-6 |
| ITF M25 Jakarta | 2023/04/17 06:25 | Kazuki Nishiwaki v Yuta Kawahashi | 4-6,4-6 |
| ITF M25 Jakarta Qual | 2023/04/16 06:00 | Jiayang Dong v Yuta Kawahashi | 1-6,2-6 |