Stadium: Court 8 Round: 26 Ground: Clay
| Challenger Lisbon | 2023/10/01 10:20 | Timo Stodder v Jaime Faria | 6-4,2-6,1-6 |
| Challenger Braga | 2023/09/26 12:25 | Benjamin Hassan v Timo Stodder | 6-4,4-6,6-4 |
| Challenger Braga | 2023/09/25 09:00 | Timo Stodder v Nikolas Sanchez Izquierdo | 3-6,6-4,6-1 |
| Challenger Braga | 2023/09/24 10:45 | Timo Stodder v Tiago R Fernandes | 6-1,6-2 |
| Challenger Bad Waltersdorf | 2023/09/19 16:05 | Timo Stodder v Filip Misolic | 1-6,7-5,3-6 |
| Challenger Bad Waltersdorf | 2023/09/18 11:10 | Timo Stodder v Blaz Rola | 7-6,6-3 |
| Challenger Bad Waltersdorf | 2023/09/17 14:50 | Timo Stodder v Jeremy Jahn | 7-6,7-6 |
| Challenger Szczecin | 2023/09/11 11:40 | Timo Stodder v Henri Squire | 6-7,2-6 |
| Challenger Braga | 2023/09/25 12:55 | Zsombor Piros v Kilian Feldbausch | 3-6,7-5,6-3 |
| ITF M25 Sion | 2023/09/01 15:50 | Remy Bertola v Kilian Feldbausch | 6-4,7-5 |
| ITF M25 Sion | 2023/08/31 12:00 | Noah Lopez v Kilian Feldbausch | 2-6,4-6 |
| ITF M25 Sion | 2023/08/29 12:30 | Kilian Feldbausch v Gianmarco Ferrari | 6-3,6-2 |
| ITF M15 Caslano | 2023/08/22 07:00 | Luigi Sorrentino v Kilian Feldbausch | 1-6,7-5,7-5 |
| ITF M25 Muttenz | 2023/08/16 11:25 | Kilian Feldbausch v Jeffrey Von Der Schulenburg | 5-7,4-6 |
| Challenger Meerbusch | 2023/08/10 11:35 | Kilian Feldbausch v Daniel Rincon | 2-6,1-6 |
| Challenger Meerbusch | 2023/08/08 14:45 | Kilian Feldbausch v Max Houkes | 7-5,6-4 |