Stadium: Court 5 Round: 62 Ground: Clay
| ITF M25 Changwon | 2023/06/12 08:30 | Lee, Junhyun v Kim, Dong Ju | 3-6,6-3,13-11 |
| ITF M25 Changwon | 2023/06/12 05:30 | Woohyuk Sim v Kim, Dong Ju | 6-3,3-6,11-13 |
| 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 M25 Changwon | 2023/06/11 08:00 | Lee, Young Seok v Junsu Kang | 2-6,6-1,10-5 |
| ITF M25 Daegu | 2023/06/05 07:10 | Choo, Suk Hyun v Junsu Kang | 6-3,7-5 |
| ITF M25 Jakarta | 2023/05/29 04:35 | Tegar A S Wibowo v Junsu Kang | 6-3,5-7,10-4 |