| ITF Korea F2 | 2017/06/07 05:45 | Jeamoon Lee v Jung-Woong Na | 7-6,6-3 |
| ITF Korea F2 Qual | 2017/06/05 03:00 | Jung-Woong Na v Woo Hyeok Jang | 6-4,6-1 |
| ITF Korea F2 Qual | 2017/06/04 03:00 | Jung-Woong Na v Hyeong Don Kim | 6-0,6-3 |
| ITF Korea F2 Qual | 2017/06/03 02:00 | Jung-Woong Na v Sung Jun Park | 6-4,6-3 |
| ITF Korea F1 | 2017/06/01 03:05 | Daniel Nguyen v Jung-Woong Na | 6-2,6-4 |
| ITF Korea F1 | 2017/05/31 01:00 | Daniel Yoo v Jung-Woong Na | 3-6,3-6 |
| ITF Korea F8 | 2016/09/07 02:00 | Jung-Woong Na v Hong Chung | 6-2,4-6,1-6 |
| ITF Korea F7 | 2016/08/31 02:00 | Jung-Woong Na v Arata Onozawa | 6-7,5-7 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Ki Su Jung v Ivan Kalinin | 6-7,2-6 |
| ITF Korea F1 Qual | 2017/05/27 01:00 | Jaeyoung Park v Ki Su Jung | 7-5,6-3 |
| Challenger Busan Qual | 2017/05/13 03:15 | Ki Su Jung v Joe Salisbury | 4-6,6-4,3-6 |
| Challenger Seoul Qual | 2017/05/06 02:40 | Ki Su Jung v Austin Krajicek | 1-6,2-6 |
| Challenger Gimcheon Qual | 2017/04/30 03:45 | Takuto Niki v Ki Su Jung | 6-1,6-2 |
| Challenger Gimcheon Qual | 2017/04/29 04:30 | Ki Su Jung v Min Hyun Lee | 6-4,6-3 |
| ITF Korea F1 | 2016/06/15 02:30 | Ki Su Jung v Oh-Hee Kwon | 3-6,6-4,3-6 |