Stadium: Center Court Round: 19 Ground: Hardcourt outdoor
| ITF M25 Daegu | 2023/06/04 01:00 | Dong Ju Kim v Young Seok Lee | 6-2,3-6,10-7 |
| ITF M25 Changwon | 2024/06/17 06:50 | Dong Ju Kim v Wanseok Kang | 6-4,6-4 |
| ITF M25 Changwon | 2024/06/16 03:00 | Dong Ju Kim v Dong-Kyu Lee | 6-3,6-1 |
| ITF M15 Daegu | 2024/06/03 03:10 | Dong Ju Kim v Jeong Heon Lee | 6-3,3-6,6-10 |
| ITF M15 Daegu | 2024/06/02 00:00 | Dong Ju Kim v Jun Ha Hyun | 6-0,3-6,11-9 |
| ITF M15 Antalya | 2023/12/07 06:30 | Cengiz Aksu v Dong Ju Kim | 6-3,6-4 |
| ITF M15 Antalya | 2023/12/05 06:30 | Mihai Razvan Marinescu v Dong Ju Kim | 6-4,6-4 |
| ITF M15 Antalya | 2023/12/04 10:20 | Suk Hyun Choo v Dong Ju Kim | 6-7,1-6 |
| ITF M15 Antalya | 2023/11/28 06:30 | Dong Ju Kim v Ku Keon Kang | 2-6,0-6 |
| ITF M25 Changwon | 2024/06/17 05:15 | Young Seok Lee v Junhyun Lee | 6-2,6-1 |
| ITF M25 Changwon | 2023/06/12 07:15 | Young Seok Lee v Jung-Woong Na | 4-6,3-6 |
| ITF M25 Changwon | 2023/06/11 08:00 | Young Seok Lee v Junsu Kang | 2-6,6-1,10-5 |
| ITF M25 Daegu | 2023/06/04 01:00 | Dong Ju Kim v Young Seok Lee | 6-2,3-6,10-7 |
| ITF M15 Daegu | 2022/08/29 00:30 | Tae-Woo Lee v Young Seok Lee | 1-6,7-6,10-6 |
| ITF M15 Daegu | 2022/08/28 01:00 | Young Seok Lee v TaeWoo Koo | 6-2,6-3 |
| ITF M15 Monastir | 2021/12/13 09:00 | Charlelie Cosnet v Young Seok Lee | 6-4,6-3 |
| ITF M15 Monastir | 2021/12/12 12:00 | Thomas George Brun v Young Seok Lee | 3-6,2-6 |