Stadium: Court 21 Round: 62 Ground: Clay
| ITF - M15 Antalya | 2023/12/03 07:00 | Choo, Suk Hyun v Ioan A Teglas | 6-7,6-2,10-7 |
| ITF - M15 Antalya | 2023/11/26 07:00 | Pol Amoros Ramos v Choo, Suk Hyun | 3-6,6-2,10-7 |
| ITF M25 Changwon | 2023/06/12 05:45 | Son, Ji Hoon v Choo, Suk Hyun | 6-3,6-3 |
| ITF M25 Changwon | 2023/06/12 01:00 | Kim, Byeonghun v Choo, Suk Hyun | 4-6,2-6 |
| ITF M25 Changwon | 2023/06/11 02:30 | Flaherty, Max v Choo, Suk Hyun | 3-6,3-6 |
| ITF M25 Daegu | 2023/06/07 03:55 | Yunseong Chung v Choo, Suk Hyun | 6-3,6-1 |
| ITF M25 Daegu | 2023/06/05 07:10 | Choo, Suk Hyun v Junsu Kang | 6-3,7-5 |
| ITF M25 Daegu | 2023/06/05 03:30 | Choo, Suk Hyun v Kim, Hangyeom | 6-3,6-2 |
| ITF - M15 Antalya | 2023/11/28 06:30 | Kim, Dong Ju v Kang, Ku Keon | 2-6,0-6 |
| ITF - M15 Antalya | 2023/11/27 09:15 | Kim, Dong Ju v Ahmet Atabay | 6-1,6-0 |
| ITF - M15 Antalya | 2023/11/26 07:00 | Kim, Dong Ju v Sutekin, Emir | 6-2,6-1 |
| ITF M25 Anseong | 2023/06/22 02:00 | Yunseong Chung v Kim, Dong Ju | 3-6,6-1,7-5 |
| ITF M25 Anseong | 2023/06/21 03:30 | Kim, Dong Ju v Dae Han Kim | 7-5,6-2 |
| ITF M25 Anseong | 2023/06/19 07:45 | Kim, Dong Ju v Chen, Kuan Yu | 6-2,6-1 |
| 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 |