Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Changwon | 2023/06/12 05:30 | Woohyuk Sim v Dong Ju Kim | 6-3,3-6,11-13 |
| ITF M25 Changwon | 2023/06/11 07:25 | Hayeon Seong v Woohyuk Sim | 6-2,0-6,4-10 |
| Challenger Gwangju | 2023/04/30 03:50 | Tristan Schoolkate v Woohyuk Sim | 6-7,6-2,6-0 |
| ITF M15 Sharm El Sheikh | 2022/12/11 10:00 | Sergo Sikharulidze v Woohyuk Sim | 6-1,3-6,10-4 |
| ITF M15 Sharm El Sheikh | 2022/12/04 13:30 | Woohyuk Sim v Matteo Fondriest | 4-6,6-1,6-10 |
| ITF M15 Sharm El Sheikh | 2022/11/28 08:00 | Woohyuk Sim v Billy Blaydes | 4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2022/11/27 11:30 | Edoardo L Cattaneo v Woohyuk Sim | 1-6,0-6 |
| ITF M15 Sharm El Sheikh | 2022/11/22 10:00 | Woohyuk Sim v Anthony Wright | 0-6,6-7 |
| 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 |
| ITF M15 Santo Domingo | 2022/11/22 17:00 | Shunsuke Mitsui v Jesse Flores | 6-7,6-1,2-6 |