| UTR Pro Knoxville | 2023/12/08 19:00 | Teddy Truwit v Nicolas Kobelt | 3-6,1-6 |
| UTR Pro Knoxville | 2023/12/07 20:00 | Johannus Monday v Nicolas Kobelt | 6-3,5-2 |
| UTR Pro Knoxville | 2023/12/06 21:30 | Sabi Roi v Nicolas Kobelt | 4-6,6-7 |
| UTR Pro Knoxville | 2023/12/04 21:30 | Vincent Rettke v Nicolas Kobelt | 6-3,1-6,1-6 |
| ITF M15 Limassol | 2023/11/28 10:30 | Nicolas Kobelt v Millen Hurrion | 6-7,3-6 |
| ITF M15 Limassol | 2023/11/22 12:45 | Oleg Prihodko v Nicolas Kobelt | 6-4,6-2 |
| ITF M25 Monastir | 2023/11/12 10:00 | Nicolas Kobelt v Kylian Collignon | 5-7,1-6 |
| ITF M15 Monastir | 2023/11/09 08:30 | Nicolas Kobelt v Tom Gentzsch | 5-7,1-6 |
| UTR Pro Knoxville | 2023/12/08 20:30 | Evan Sharygin v Joubert Klopper | 1-6,6-2,3-6 |
| UTR Pro Knoxville | 2023/12/07 21:30 | Dylan Jaen v Joubert Klopper | 3-6,2-6 |
| UTR Pro Knoxville | 2023/12/06 21:30 | Shunsuke Mitsui v Joubert Klopper | 6-0,6-4 |
| UTR Pro Knoxville | 2023/12/04 21:30 | Daniel P Caraballo v Joubert Klopper | 2-6,6-1,0-6 |
| UTR Series NIT | 2023/05/20 16:00 | Joubert Klopper v Daniel Sancho Arbizu | 6-3,2-3 |
| UTR Series NIT | 2023/05/19 18:30 | Joubert Klopper v Ryan Torres | 6-3,3-6,6-2 |
| UTR Series NIT | 2023/05/18 14:14 | Joubert Klopper v Harsh Kheterpal | 6-0,1-0 |
| ITF M25 Austin | 2021/11/16 21:55 | Sander Jong v Joubert Klopper | 6-1,6-2 |