Stadium: Court 5 Round: 27 Ground: Hardcourt outdoor
| ITF M25 Daegu | 2023/06/08 02:25 | Kim, Geun Jun v Yeongseok Jeong | 6-1,2-6,6-4 |
| ITF M25 Daegu | 2023/06/07 00:55 | Jesse Delaney v Kim, Geun Jun | 3-6,3-6 |
| ITF M15 Daegu | 2022/09/02 02:00 | Duckhee Lee v Kim, Geun Jun | 6-3,6-2 |
| ITF M15 Daegu | 2022/08/30 01:00 | Kim, Geun Jun v Sookton-Eng, Chanchai | 6-4,7-6 |
| ITF M15 Changwon | 2022/08/23 01:00 | Kim, Geun Jun v Ryuki Matsuda | 1-6,3-6 |
| ITF M15 Anseong | 2022/08/17 03:10 | Colin Sinclair v Kim, Geun Jun | 7-5,6-2 |
| Harmon, Singles Main, M-ITF-GUM-02A | 2022/06/09 00:00 | Kim, Geun Jun v Ko Suzuki | 3-6,1-6 |
| Harmon, Singles Main, M-ITF-GUM-02A | 2022/06/07 03:15 | Colin Sinclair v Kim, Geun Jun | 6-7,3-6 |
| ITF M25 Daegu | 2023/06/08 01:00 | Kim, Dong Ju v Jeamoon Lee | 3-6,3-6 |
| ITF M25 Daegu | 2023/06/07 01:00 | Kang, Ku Keon v Jeamoon Lee | 4-6,7-5,4-6 |
| Challenger - Busan | 2023/05/08 02:00 | Jeamoon Lee v Ajeet Rai | 4-6,1-6 |
| Challenger Seoul | 2023/04/26 03:40 | Marc Polmans v Jeamoon Lee | 6-3,6-2 |
| ITF M25 Jakarta | 2023/04/23 02:55 | Leo Borg v Jeamoon Lee | 6-4,6-4 |
| ITF M25 Jakarta | 2023/04/22 03:55 | Jeamoon Lee v Duckhee Lee | 6-2,6-2 |
| ITF M25 Jakarta | 2023/04/21 03:00 | Jeamoon Lee v Kawahashi, Yuta | 6-4,7-5 |
| ITF M25 Jakarta | 2023/04/20 04:35 | Jeamoon Lee v Susanto, David Agung | 7-6,6-7,6-2 |