Stadium: Court 1 Round: 19 Ground: Clay
| 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 Szczecin | 2023/09/10 11:30 | Timo Stodder v Adrian Andrzejczuk | 6-1,6-0 |
| Challenger Tulln | 2023/09/07 09:00 | Timo Stodder v Maximilian Marterer | 6-7,1-6 |
| Challenger Tulln | 2023/09/04 15:00 | Timo Stodder v Steven Diez | 1-6,6-2,6-1 |
| Challenger Braga | 2023/09/24 09:00 | Duarte Vale v Nikolas Sanchez Izquierdo | 3-6,2-6 |
| Challenger Sibiu | 2023/09/19 07:00 | Zsombor Piros v Nikolas Sanchez Izquierdo | 6-3,6-3 |
| Challenger Seville | 2023/09/06 14:05 | Pablo Llamas Ruiz v Nikolas Sanchez Izquierdo | 6-7,6-4,6-4 |
| Challenger Seville | 2023/09/05 18:20 | Viktor Durasovic v Nikolas Sanchez Izquierdo | 4-6,6-3,4-6 |
| Challenger Como | 2023/08/29 11:40 | Nikolas Sanchez Izquierdo v Lukas Neumayer | 3-6,7-5,3-6 |
| Challenger Augsburg | 2023/08/22 13:30 | Marvin Moeller v Nikolas Sanchez Izquierdo | 2-6,6-2,6-0 |
| Challenger Banja Luka | 2023/08/08 16:45 | Nikolas Sanchez Izquierdo v Duje Ajdukovic | 4-6,5-7 |
| Challenger San Marino | 2023/08/02 13:40 | Nikolas Sanchez Izquierdo v Jaume Munar | 1-6,2-6 |