Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Anseong | 2023/06/20 02:00 | Yeonsu Jeong v Woobin Shin | 2-6,4-6 |
| ITF M25 Changwon | 2023/06/13 01:00 | Sanhui Shin v Woobin Shin | 6-2,6-3 |
| ITF M25 Daegu | 2023/06/07 02:45 | Woobin Shin v Dominik Palan | 4-6,4-6 |
| Challenger Busan | 2023/05/08 06:15 | Woobin Shin v Luke Saville | 1-6,3-6 |
| Challenger Busan | 2023/05/08 02:00 | Daisuke Sumizawa v Woobin Shin | 6-2,3-6,2-6 |
| Challenger Gwangju | 2023/04/30 02:35 | Woobin Shin v Luke Saville | 2-6,0-6 |
| Challenger Seoul | 2023/04/23 02:00 | Woobin Shin v Mukund Sasikumar | 3-6,4-6 |
| ITF M25 Mysuru | 2023/03/30 08:45 | George Loffhagen v Woobin Shin | 6-0,6-1 |
| ITF M25 Anseong | 2023/06/20 02:00 | Woohyuk Sim v Shunsuke Mitsui | 0-6,2-6 |
| ITF M25 Changwon | 2023/06/13 01:00 | Shunsuke Mitsui v Yuki Mochizuki | 4-6,2-6 |
| UTR Pro Tennis Series Dallas | 2022/12/24 15:00 | Steven Forman v Shunsuke Mitsui | 6-4,4-6,3-6 |
| UTR Pro Tennis Series Dallas | 2022/12/23 21:00 | Christopher Bulus v Shunsuke Mitsui | 4-6,2-6 |
| UTR Pro Tennis Series Dallas | 2022/12/22 21:30 | Shunsuke Mitsui v Stefan Peter Hampe | 6-1,0-0 |
| UTR Pro Tennis Series Dallas | 2022/12/20 20:00 | Shunsuke Mitsui v Lui Maxted | 6-4,5-4 |
| UTR Pro Tennis Series Dallas | 2022/12/19 22:17 | Shunsuke Mitsui v Matthis Ross | 7-6,5-1 |
| UTR Pro Tennis Series Dallas | 2022/12/18 19:00 | Josh Sheehy v Shunsuke Mitsui | 6-3,2-6,2-5 |