Stadium: Center Court Round: 25 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 02:35 | Junhyun Lee v Dohyun Kim | 6-2,6-1 |
| ITF M25 Changwon | 2023/06/11 08:20 | Junhyun Lee v Christopher Heck | 6-2,3-6,10-6 |
| ITF M25 Canberra | 2023/03/19 23:00 | Jiayang Dong v Junhyun Lee | 4-6,6-4,10-8 |
| ITF M25 Canberra | 2023/03/13 23:00 | Alexander Klintcharov v Junhyun Lee | 6-2,6-1 |
| ITF M25 Canberra | 2023/03/13 01:30 | Cooper Errey v Junhyun Lee | 4-6,2-6 |
| ITF M25 Mumbai | 2022/11/13 05:30 | Guhan Rajan v Junhyun Lee | 5-7,6-3,10-7 |
| ITF M25 Indore | 2022/11/07 05:00 | Chirag Duhan v Junhyun Lee | 6-2,6-4 |
| Challenger Seoul | 2022/10/11 01:30 | Jangjun Kim v Rinky Hijikata | 1-6,2-6 |
| ITF M15 Daegu | 2022/08/31 08:05 | Kazuma Kawachi v Jangjun Kim | 6-4,1-6,7-5 |
| ITF M15 Changwon | 2022/08/25 04:05 | Yuta Kawahashi v Jangjun Kim | 6-1,6-4 |
| ITF M15 Changwon | 2022/08/23 03:05 | Thomas P Smith v Jangjun Kim | 6-3,3-6,2-6 |
| ITF M15 Anseong | 2022/08/17 02:10 | Jangjun Kim v Takuto Niki | 5-7,2-6 |
| ITF M15 Anseong | 2022/08/15 05:55 | Jangjun Kim v Sion Kwon | 6-1,6-2 |
| ITF M15 Anseong | 2022/08/14 04:00 | Jangjun Kim v Dong Hwan Kim | 6-1,6-1 |