Stadium: Opatija 1 Round: 62 Ground: Clay
| German Championship | 2023/12/09 10:00 | Patrick Zahraj v Kevin Humpfner | 6-2,6-2 |
| German Championship | 2023/12/08 10:00 | Jochen Bertsch v Kevin Humpfner | 6-0,4-6,0-6 |
| German Championship | 2023/12/05 14:00 | Bengt Johan Reinhard v Kevin Humpfner | 2-6,1-6 |
| German Championship | 2023/12/04 11:00 | Kevin Humpfner v Nino Toto | 7-5,6-4 |
| 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 |
| UTR Pro Cardiff | 2023/12/10 12:00 | Jeremy Gschwendtner v Ewan Moore | 1-6,4-6 |
| UTR Pro Cardiff | 2023/12/09 10:45 | Jeremy Gschwendtner v Max Benaim | 6-3,6-2 |
| UTR Pro Cardiff | 2023/12/08 09:30 | Alexander C Parker v Jeremy Gschwendtner | 2-6,0-6 |
| UTR Pro Cardiff | 2023/12/07 11:00 | David Cierny v Jeremy Gschwendtner | 2-6,4-6 |
| UTR Pro Cardiff | 2023/12/06 08:00 | Jack Curtis v Jeremy Gschwendtner | 3-6,6-3,1-6 |
| UTR Pro Cardiff | 2023/12/04 08:00 | Finn Murgett v Jeremy Gschwendtner | 6-4,6-1 |
| ITF M15 Catania | 2023/11/28 11:25 | Jeremy Gschwendtner v Gabriele Pennaforti | 4-6,3-6 |
| ITF M15 Catania | 2023/11/27 09:00 | Jeremy Gschwendtner v Matteo De Vincentis | 6-4,6-3 |