Stadium: Court 11 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Changwon | 2023/06/11 07:25 | Ha Yeon, Sung 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 - M15 Sharm El Sheikh | 2022/11/21 08:00 | Daniil Ostapenkov v Woohyuk Sim | 1-6,6-1,9-11 |
| ITF M25 Changwon | 2023/06/11 08:30 | Kim, Ki Bum v Kim, Dong Ju | 6-4,1-6,10-12 |
| ITF M25 Daegu | 2023/06/08 01:00 | Kim, Dong Ju v Jeamoon Lee | 3-6,3-6 |
| ITF M25 Daegu | 2023/06/07 02:40 | Keisuke Saitoh v Kim, Dong Ju | 1-6,2-6 |
| ITF M25 Daegu | 2023/06/05 06:40 | Kim, Dong Ju v Song , Woodam | 6-1,6-2 |
| ITF M25 Daegu | 2023/06/05 02:50 | Kim, Dong Ju v Kim, Byeonghun | 6-2,6-2 |
| ITF M25 Daegu | 2023/06/04 01:00 | Kim, Dong Ju v Lee, Young Seok | 6-2,3-6,10-7 |
| ITF M15 Daegu | 2022/09/01 02:00 | Kazuma Kawachi v Kim, Dong Ju | 6-7,6-0,6-4 |
| ITF M15 Daegu | 2022/08/31 08:40 | Dae Han Kim v Kim, Dong Ju | 0-6,4-6 |