| Challenger Yokkaichi | 2024/11/24 04:30 | Ji Sung Nam v Keisuke Saitoh | 1-6,3-6 |
| Challenger Yokohama | 2024/11/19 01:00 | Ji Sung Nam v Shintaro Mochizuki | 2-6,2-6 |
| Challenger Yokohama | 2024/11/18 02:30 | Ji Sung Nam v Naoki Nakagawa | 6-3,6-3 |
| Challenger Yokohama | 2024/11/17 05:10 | Philip Henning v Ji Sung Nam | 6-7,6-3,5-7 |
| Challenger Taipei | 2024/10/20 07:05 | Ji Sung Nam v Reese Stalder | 5-7,5-7 |
| Challenger Nonthaburi | 2024/09/25 03:00 | Ji Sung Nam v Gabriel Diallo | 6-7,0-6 |
| Challenger Nonthaburi | 2024/09/24 06:55 | Andre Ilagan v Ji Sung Nam | 4-6,4-6 |
| Challenger Nonthaburi | 2024/09/23 05:40 | Thantub Suksumrarn v Ji Sung Nam | 6-7,3-6 |
| ITF M25 Changwon | 2024/06/17 04:55 | Seung Woo Cho v Finley Hall | 5-7,2-6 |
| ITF M15 Daegu | 2024/06/04 01:00 | Jae Hwan Kim v Seung Woo Cho | 6-4,6-2 |
| ITF M15 Daegu | 2024/06/03 01:00 | Seung Woo Cho v Hyun Woo Cho | 6-3,7-5 |
| ITF M25 Anseong | 2023/06/19 05:25 | Seung Woo Cho v Hiroki Sakagawa | 6-1,1-6,6-10 |
| ITF M25 Anseong | 2023/06/18 01:00 | Seonyong Han v Seung Woo Cho | 5-7,3-6 |