| ITF - M25 - Southaven | 2023/08/08 14:00 | Ishaan Ravichander v Vincent Rettke | 6-0,6-3 |
| ITF - M25 - Edwardsville | 2023/07/24 14:00 | Vincent Rettke v Ishaan Ravichander | 3-6,2-6 |
| ITF - M15 - Huntsville | 2023/05/24 19:50 | Vincent Rettke v Elijah Poritzky | 0-6,4-6 |
| ITF - M15 - Huntsville | 2023/05/23 17:00 | Evan Bynoe v Vincent Rettke | 6-7,4-6 |
| ITF - M15 - Huntsville | 2023/05/22 14:00 | Vincent Rettke v Drew Van Orderlain | 6-4,6-1 |
| ITF - M25 - Bakersfield | 2023/03/13 17:00 | Eric Hadigian v Vincent Rettke | 6-1,6-3 |
| 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 |
| ITF - M15 - Caslano | 2023/08/22 07:00 | Nicolas Kobelt v Patrick Zahraj | 3-6,1-6 |
| ITF - M25 - Ystad | 2023/08/16 08:45 | Nicolas Kobelt v Markus Bolin | 6-7,3-6 |