Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Tsukuba | 2024/03/27 06:35 | Jangjun Kim v Ryotaro Taguchi | 2-6,0-6 |
| ITF M25 Anseong | 2023/06/22 05:10 | Taisei Ichikawa v Jangjun Kim | 6-4,6-1 |
| ITF M25 Anseong | 2023/06/21 05:30 | Jangjun Kim v Young Seok Kim | 6-3,4-6,7-6 |
| ITF M25 Changwon | 2023/06/15 01:55 | Jangjun Kim v Jeamoon Lee | 0-6,1-6 |
| ITF M25 Changwon | 2023/06/14 01:00 | Junhyun Lee v Jangjun Kim | 6-7,6-7 |
| 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 Antalya | 2023/04/18 12:25 | Fermin Tenti v Hoyoung Roh | 6-2,6-3 |
| Challenger Gwangju | 2022/10/02 01:00 | Ji Sung Nam v Hoyoung Roh | 6-2,6-1 |