Stadium: Court 8 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/06/20 10:30 | Alexander Kotzen v Cesar Bourgois | 7-5,6-7,10-4 |
| ITF M15 Monastir | 2021/06/17 08:30 | Alexander Kotzen v Luciano Darderi | 3-6,2-6 |
| ITF M15 Monastir | 2021/06/16 08:30 | Alexander Kotzen v Keenan Mayo | 6-2,7-5 |
| ITF M15 Monastir | 2021/06/14 13:30 | Alexander Kotzen v Carles Hernandez | 7-6,5-7,9-11 |
| ITF M15 Monastir | 2021/06/14 09:00 | Alexander Kotzen v Alex Jones | 6-2,6-4 |
| ITF M15 Monastir | 2021/06/13 09:00 | Alexander Kotzen v Victor Gurevich | 6-1,6-1 |
| ITF M15 New Delhi | 2021/04/02 05:30 | Alexander Kotzen v Oliver Crawford | 4-6,5-7 |
| ITF M15 New Delhi | 2021/04/01 06:25 | Arjun Kadhe v Alexander Kotzen | 0-6,4-6 |
| ITF M15 Monastir | 2021/06/20 10:30 | Geun Jun Kim v Ali Alshati | 6-2,6-0 |
| ITF M15 Monastir | 2021/06/13 12:30 | Omni Kumar v Geun Jun Kim | 6-1,6-0 |
| ITF M15 Monastir | 2021/06/06 10:00 | Ji Hoon Son v Geun Jun Kim | 6-2,7-5 |
| ITF M15 Changwon | 2019/10/16 00:45 | Geun Jun Kim v Sora Fukuda | 4-6,3-6 |
| ITF M15 Hua Hin | 2019/08/27 04:00 | Ti Chen v Geun Jun Kim | 4-6,7-5,10-2 |
| ITF M15 Anseong | 2019/06/26 01:00 | Yeongseok Jeong v Geun Jun Kim | 6-3,6-1 |
| ITF M15 Anseong | 2019/06/25 02:30 | Winter Meagher v Geun Jun Kim | 3-6,4-6 |
| ITF M15 Anseong | 2019/06/24 03:00 | Sung Jun Park v Geun Jun Kim | 3-6,3-6 |