Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Changwon | 2023/06/12 08:30 | Junhyun Lee v Dong Ju Kim | 3-6,6-3,13-11 |
| 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 08:30 | Ki Bum Kim v Dong Ju Kim | 6-4,1-6,10-12 |
| ITF M25 Daegu | 2023/06/08 01:00 | Dong Ju Kim v Jeamoon Lee | 3-6,3-6 |
| ITF M25 Daegu | 2023/06/07 02:40 | Keisuke Saitoh v Dong Ju Kim | 1-6,2-6 |
| ITF M25 Daegu | 2023/06/05 06:40 | Dong Ju Kim v Woodam Song | 6-1,6-2 |
| ITF M25 Daegu | 2023/06/05 02:50 | Dong Ju Kim v Byeonghun Kim | 6-2,6-2 |
| ITF M25 Daegu | 2023/06/04 01:00 | Dong Ju Kim v Young Seok Lee | 6-2,3-6,10-7 |
| ITF M25 Anseong | 2023/06/19 05:30 | Max Flaherty v Kuan Yu Chen | 3-6,0-6 |
| ITF M25 Anseong | 2023/06/18 09:25 | Kuan Yu Chen v Je Won Jeon | 7-5,6-3 |
| ITF M25 Changwon | 2023/06/12 01:00 | Kuan Yu Chen v HyunBin Jin | 4-6,6-3,11-9 |
| ITF M15 Monastir | 2023/05/03 09:35 | Kuan Yu Chen v Omar Brigida | 2-6,2-6 |
| ITF M15 Monastir | 2023/04/25 13:00 | Michal Mikula v Kuan Yu Chen | 6-2,3-6,6-2 |
| ITF M15 Monastir | 2023/04/18 08:30 | Koray Kirci v Kuan Yu Chen | 6-2,6-2 |
| ITF M15 Monastir | 2023/04/10 08:00 | Axel Garcian v Kuan Yu Chen | 7-6,6-2 |
| ITF M15 Monastir | 2023/04/09 10:00 | Artsiom Dabryian v Kuan Yu Chen | 4-6,0-6 |