Stadium: Court 14 Round: 62 Ground: Hardcourt outdoor
| Canberra, Singles M-ITF-AUS-06A | 2023/03/19 23:00 | Jiayang Dong v Lee, Junhyun | 4-6,6-4,10-8 |
| Canberra, Singles M-ITF-AUS-06A | 2023/03/13 23:00 | Alexander Klintcharov v Lee, Junhyun | 6-2,6-1 |
| Canberra, Singles M-ITF-AUS-06A | 2023/03/13 01:30 | Cooper Errey v Lee, Junhyun | 4-6,2-6 |
| ITF M25 Mumbai | 2022/11/13 05:30 | Rajan, Guhan v Lee, Junhyun | 5-7,6-3,10-7 |
| ITF M25 Indore | 2022/11/07 05:00 | Chirag Duhan v Lee, Junhyun | 6-2,6-4 |
| ITF M25 Indore | 2022/11/06 04:00 | Aaron Raj v Lee, Junhyun | 1-6,0-6 |
| ITF M15 New Delhi | 2022/10/31 07:40 | Lee, Junhyun v Manish Ganesh | 3-6,1-6 |
| ITF M15 New Delhi | 2022/10/30 04:30 | Lee, Junhyun v Arthav Neema | 7-5,7-6 |
| ITF - M15 Sharm El Sheikh | 2022/10/24 08:00 | Christopher Heck v Semen Voronin | 4-6,5-7 |
| ITF - M15 Sharm El Sheikh | 2022/10/17 08:30 | Alex Kuperstein v Christopher Heck | 6-3,6-0 |
| ITF - M15 Sharm El Sheikh | 2022/10/16 07:30 | Raman, Rishabdev v Christopher Heck | 6-4,3-6,7-10 |
| ITF M25 Memphis | 2022/08/15 14:00 | Christopher Heck v Finn Reynolds | 3-6,3-6 |
| ITF M25 Cancun | 2022/02/07 18:30 | Roelofse, Ruan v Christopher Heck | 6-1,6-3 |
| ITF M25 Cancun | 2022/02/07 14:00 | Chavez, Andres v Christopher Heck | 3-6,6-7 |
| International Tennis Series | 2020/06/13 12:00 | Carnevale-Miino, Tommaso v Christopher Heck | 7-5,6-2 |
| International Tennis Series | 2020/06/12 16:25 | Christopher Heck v Cerretani, J. | 6-3,6-4 |