| ITF M25 Heraklion | 2023/11/28 09:20 | Anthony Genov v Kevin Humpfner | 1-6,6-3,10-6 |
| ITF M15 Heraklion | 2023/11/21 07:00 | Jannik Maute v Kevin Humpfner | 6-3,7-5 |
| ITF M15 Heraklion | 2023/11/20 10:00 | Benoit Torcq v Kevin Humpfner | 1-6,0-6 |
| ITF M25 Heraklion | 2023/11/13 13:45 | Younes Lalami Laaroussi v Kevin Humpfner | 6-3,6-3 |
| ITF M25 Heraklion | 2023/11/12 07:00 | Kevin Humpfner v Dario Drebenstedt | 6-2,6-0 |
| ITF M15 Budapest | 2023/09/06 10:55 | Kevin Humpfner v Patrick Kaukovalta | 4-6,4-6 |
| ITF M15 Budapest | 2023/09/04 10:00 | Josip Simundza v Kevin Humpfner | 2-6,3-6 |
| ITF M15 Budapest | 2023/09/03 09:30 | Kevin Humpfner v Martin Zeljenka | 6-2,6-2 |
| German Championship | 2023/12/03 16:00 | Mika Berghaus v Nino Toto | 4-6,4-6 |
| ITF M15 Eupen | 2023/08/07 07:00 | Nino Toto v Jurriaan Bol | 3-6,5-7 |
| ITF M15 Kamen | 2023/06/26 10:00 | Karlo Cubelic v Nino Toto | 6-2,6-2 |
| ITF M15 Sarajevo | 2023/06/06 07:45 | Nino Toto v Noah Schlagenhauf | 2-6,2-6 |
| ITF M15 Sarajevo | 2023/06/05 08:00 | Daniel Salazar v Nino Toto | 5-7,7-5,2-10 |
| ITF M15 Sarajevo | 2023/06/04 10:00 | Sam Oster v Nino Toto | 6-2,3-6,7-10 |