| ITF M25 Launceston | 2025/02/24 23:00 | Issei Okamura v Ji Sung Nam | 6-7,3-6 |
| 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 |
| ITF M25 Bali | 2024/12/30 01:00 | Chase Ferguson v Junhyun Lee | 7-6,6-0 |
| ITF M15 Bali | 2024/12/24 02:30 | Hayato Matsuoka v Junhyun Lee | 6-3,6-1 |
| ITF M15 Bali | 2024/12/23 01:00 | Pawit Sornlaksup v Junhyun Lee | 1-6,6-3,13-15 |
| ITF M15 Bali Qual | 2024/12/22 06:00 | Darrshan Suresh Kumar v Junhyun Lee | 3-6,4-6 |
| ITF M15 Bali | 2024/12/18 07:00 | Junhyun Lee v Arthur Weber | 2-6,7-6,3-6 |
| ITF M15 Bali | 2024/12/16 03:00 | Gunawan Trismuwantara v Junhyun Lee | 5-7,4-6 |
| ITF M25 Changwon | 2024/06/17 05:15 | Young Seok Lee v Junhyun Lee | 6-2,6-1 |
| ITF M25 Changwon | 2024/06/16 03:00 | Yongjun Shim v Junhyun Lee | 1-6,1-6 |