Estádio: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF - M15 Daegu | 2022/09/01 02:00 | Kazuma Kawachi v Dong Ju Kim | 6-7,6-0,6-4 |
| ITF - M15 Daegu | 2022/08/31 08:40 | Dae Han Kim v Dong Ju Kim | 0-6,4-6 |
| ITF - M15 Anseong | 2022/08/17 01:00 | Sanhui Shin v Dong Ju Kim | 7-6,6-1 |
| ITF - M15 Sharm El Sheikh | 2022/03/27 09:00 | Petar Teodorovic v Dong Ju Kim | 7-5,2-6,10-6 |
| ITF - M15 Sharm El Sheikh | 2022/03/17 10:50 | Dong Ju Kim v Sergey Fomin | 1-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2022/03/16 11:50 | Dong Ju Kim v Lorenzo Bresciani | 6-0,7-6 |
| ITF - M15 Sharm El Sheikh | 2022/03/15 09:15 | Kristjan Tamm v Dong Ju Kim | 5-7,6-4,4-10 |
| ITF - M15 Sharm El Sheikh | 2022/03/14 10:00 | Sherif Makhlouf v Dong Ju Kim | 7-5,3-6,2-10 |
| 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 |
| ITF - M15 Changwon | 2019/10/16 00:55 | Young Seok Lee v Jung-Woong Na | 2-6,1-6 |
| ITF - M15 Changwon | 2019/10/15 00:50 | Geun Wook Lee v Young Seok Lee | 1-6,1-6 |
| ITF - M15 Changwon | 2019/10/14 01:30 | Chan-Yeong Oh v Young Seok Lee | 4-6,6-7 |
| ITF - M15 Changwon | 2019/10/13 03:00 | Young Seok Lee v Ren Nakamura | 7-6,6-0 |