Stadion: Court 8 Round: 62 Ground: Hardcourt outdoor
| ITF - M15 - Changwon | 2019/10/13 03:00 | Jeong Heon Lee v Hyung-Chan Lim | 1-6,1-6 |
| ITF - M15 - Gimcheon | 2019/06/12 06:10 | Jeong Heon Lee v Thomas Fancutt | 2-6,1-6 |
| ITF - M15 - Gimcheon | 2019/06/11 02:35 | Geun Jun Kim v Jeong Heon Lee | 6-2,1-6,4-10 |
| ITF - M15 - Gimcheon | 2019/06/10 05:45 | Jeong Heon Lee v Seong Jae Han | 6-3,6-0 |
| ITF - Korea F5 | 2018/08/18 01:00 | Ki Su Jung v Jeong Heon Lee | 6-3,6-1 |
| ITF - Korea F4 | 2018/08/14 04:40 | Jeong Heon Lee v Mark Whitehouse | 0-6,0-6 |
| ITF - Korea F4 | 2018/08/13 01:00 | Cheong Hwi Kim v Jeong Heon Lee | 3-6,6-3,3-6 |
| ITF - Korea F4 | 2018/08/12 02:00 | Jeong Heon Lee v Worarin Kumthonkittikul | 6-2,6-3 |
| ITF - M15 - Daegu | 2022/08/28 01:00 | Hyeoung Jin Kim v Woodam Song | 2-6,4-6 |
| ITF - M15 - Anseong | 2022/08/15 02:20 | Hyeoung Jin Kim v Woodam Song | 7-6,6-2 |