Stadium: Court 1 Round: 28 Ground: Hardcourt outdoor
| ITF M25 Changwon | 2023/06/18 02:00 | Yuki Mochizuki v Sanhui Shin | 3-6,3-6 |
| ITF M25 Anseong | 2023/06/23 03:25 | Daisuke Sumizawa v Sanhui Shin | 3-6,4-6 |
| ITF M25 Anseong | 2023/06/22 02:00 | Sanhui Shin v Jeamoon Lee | 7-5,4-6,6-4 |
| ITF M25 Anseong | 2023/06/21 02:00 | Sanhui Shin v Issei Okamura | 6-2,6-3 |
| ITF M25 Changwon | 2023/06/18 02:00 | Yuki Mochizuki v Sanhui Shin | 3-6,3-6 |
| ITF M25 Changwon | 2023/06/17 01:50 | Sanhui Shin v Dominik Palan | 7-6,6-7,6-3 |
| ITF M25 Changwon | 2023/06/16 01:00 | Makoto Ochi v Sanhui Shin | 3-6,3-6 |
| 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 M25 Anseong | 2023/06/23 04:05 | Hong Chung v Yuki Mochizuki | 3-6,6-7 |
| ITF M25 Anseong | 2023/06/22 02:00 | Yunseok Jang v Yuki Mochizuki | 4-6,3-6 |
| ITF M25 Anseong | 2023/06/21 05:15 | Naoki Tajima v Yuki Mochizuki | 0-6,1-6 |
| ITF M25 Changwon | 2023/06/18 02:00 | Yuki Mochizuki v Sanhui Shin | 3-6,3-6 |
| ITF M25 Changwon | 2023/06/17 01:55 | Renta Tokuda v Yuki Mochizuki | 1-6,0-6 |
| ITF M25 Changwon | 2023/06/15 02:45 | Jungwoong Na v Yuki Mochizuki | 4-6,3-6 |
| ITF M25 Changwon | 2023/06/13 01:00 | Shunsuke Mitsui v Yuki Mochizuki | 4-6,2-6 |
| ITF M25 Daegu | 2023/06/09 01:00 | Yuki Mochizuki v Takuya Kumasaka | 7-6,4-6,2-6 |