| UTR Pro Columbus | 2023/08/14 18:35 | Reece Yakubov v Alex Kobelt | 6-4,5-7,3-6 |
| ITF M25 Decatur | 2023/07/31 14:00 | Karl Poling v Alex Kobelt | 6-2,6-2 |
| ITF M25 Las Vegas | 2020/03/03 17:55 | David Fox v Alex Kobelt | 6-2,6-1 |
| ITF M25 Las Vegas | 2020/03/02 18:00 | Lucas Gessner v Alex Kobelt | 6-7,2-6 |
| ITF M15 East Lansing | 2019/11/21 17:00 | Alex Kobelt v Daniel Altmaier | 2-6,4-6 |
| ITF M15 East Lansing | 2019/11/19 15:00 | Enzo Wallart v Alex Kobelt | 7-6,6-7,8-10 |
| ITF M15 East Lansing | 2019/11/18 16:00 | Alex Kobelt v Abraham Asaba | 6-4,7-6 |
| Challenger Las Vegas | 2019/10/15 19:30 | Michail Pervolarakis v Alex Kobelt | 6-1,6-3 |
| ITF M25 Southaven | 2023/08/09 22:10 | Aidan Mchugh v Nicolas Kotzen | 6-4,6-7,6-1 |
| ITF M25 Southaven | 2023/08/08 14:00 | Henrik Wiersholm v Nicolas Kotzen | 6-1,3-6,8-10 |
| ITF M25 Decatur | 2023/08/01 15:35 | Nicolas Kotzen v Pranav Kumar | 3-6,2-6 |
| UTR Pro Boston | 2023/01/08 15:30 | Holden Koons v Nicolas Kotzen | 2-6,6-7 |
| UTR Pro Boston | 2023/01/07 21:44 | Drew Van Orderlain v Nicolas Kotzen | 3-6,3-5 |
| UTR Pro Boston | 2023/01/06 22:32 | Nicolas Kotzen v Muhammad Dossani | 6-2,6-1 |
| UTR Pro Boston | 2023/01/04 21:14 | Nicolas Kotzen v Isaac Gorelik | 6-4,6-4 |
| UTR Pro Boston | 2023/01/03 22:42 | Nicolas Kotzen v Christopher Bulus | 6-4,6-3 |