| UTR Pro Knoxville | 2023/12/06 20:00 | Johannus Monday v Teddy Truwit | 6-2,6-4 |
| UTR Pro Knoxville | 2023/12/05 20:00 | Johannus Monday v Vincent Rettke | 7-6,6-0 |
| UTR Pro Knoxville | 2023/12/04 20:00 | Johannus Monday v Sabi Roi | 6-4,6-2 |
| ITF M25 Columbus | 2023/11/15 20:05 | Jacob Fearnley v Johannus Monday | 2-6,6-4,7-6 |
| Challenger Knoxville | 2023/11/07 18:00 | Johannus Monday v Gabriel Debru | 6-4,5-7,3-6 |
| ITF M15 Las Vegas | 2023/10/19 20:30 | Johannus Monday v Alex Martinez | 6-7,5-7 |
| ITF M15 Las Vegas | 2023/10/18 19:45 | Trey Hilderbrand v Johannus Monday | 2-6,6-7 |
| Challenger Tiburon | 2023/10/04 18:00 | Johannus Monday v Alexander Ritschard | 3-6,7-6,6-7 |
| 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 |
| ITF M15 Monastir | 2023/11/08 08:30 | Kalman Boyd v Nicolas Kobelt | 6-3,4-6,4-6 |
| ITF M15 Danderyd | 2023/09/19 11:30 | Nicolas Kobelt v Yannik Steinegger | 2-6,4-6 |