Stadium: Court 14 Round: 27 Ground: Hardcourt outdoor
| ITF M25 Jakarta | 2023/04/18 02:15 | Makoto Ochi v Sanhui Shin | 6-2,6-1 |
| ITF M25 Changwon | 2023/06/15 01:25 | Makoto Ochi v Duckhee Lee | 6-0,4-6,6-2 |
| ITF M25 Changwon | 2023/06/14 01:00 | Makoto Ochi v Jun Ha Hyun | 6-0,6-3 |
| ITF M25 Daegu | 2023/06/06 00:50 | Takuya Kumasaka v Makoto Ochi | 6-3,6-1 |
| Challenger Busan | 2023/05/08 04:25 | Makoto Ochi v Hiroki Moriya | 4-6,4-6 |
| Challenger Busan | 2023/05/07 05:05 | Peter Gojowczyk v Makoto Ochi | 6-4,2-6,5-7 |
| Challenger Gwangju | 2023/04/30 05:20 | Jason Jung v Makoto Ochi | 6-4,7-6 |
| ITF M25 Jakarta | 2023/04/28 02:30 | Brandon Walkin v Makoto Ochi | 7-6,6-4 |
| ITF M25 Jakarta | 2023/04/27 02:00 | Andrew Rogers v Makoto Ochi | 3-6,4-6 |
| ITF M25 Changwon | 2023/06/15 04:35 | Sanhui Shin v Geun Jun Kim | 6-0,6-4 |
| ITF M25 Changwon | 2023/06/13 01:00 | Sanhui Shin v Woobin Shin | 6-2,6-3 |
| ITF M15 Karuizawa | 2023/06/03 07:30 | Sanhui Shin v Yuta Kawahashi | 3-6,6-3,6-7 |
| 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 |