Stadium: Eden 10 Round: 25 Ground: Clay
| 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 |
| ITF M15 Budapest | 2023/08/29 14:45 | Hamish Stewart v Kevin Humpfner | 6-7,7-5,7-6 |
| UTR Pro Olomouc | 2023/11/11 07:00 | Domagoj Biljesko v Dennis Dragomirov | 3-6,6-7 |
| UTR Pro Olomouc | 2023/11/10 11:55 | Karol Filar v Domagoj Biljesko | 6-4,6-2 |
| UTR Pro Olomouc | 2023/11/09 07:00 | Jan Kusy v Domagoj Biljesko | 2-6,1-6 |
| UTR Pro Olomouc | 2023/11/08 11:30 | David Schwarc v Domagoj Biljesko | 4-6,1-5 |
| UTR Pro Olomouc | 2023/11/06 12:00 | Robert Rumler v Domagoj Biljesko | 6-3,1-6,4-6 |
| UTR Pro Zadar | 2023/10/22 11:30 | Maciej Rajski v Domagoj Biljesko | 6-2,6-1 |
| UTR Pro Zadar | 2023/10/20 07:30 | Domagoj Biljesko v Cian Maguire | 6-4,6-2 |
| UTR Pro Zadar | 2023/10/19 06:00 | Domagoj Biljesko v Patrik Meszaros | 6-4,3-6,6-3 |