Stadium: Court 2 Round: 26 Ground: Clay
| ITF M25 Telfs | 2023/07/19 09:55 | Alex Barrena v Niklas Waldner | 6-4,6-4 |
| Challenger Salzburg | 2023/07/12 09:00 | Juan Manuel Cerundolo v Alex Barrena | 6-2,4-6,6-1 |
| Challenger Salzburg | 2023/07/11 11:15 | Alex Barrena v Akira Santillan | 6-3,6-0 |
| Challenger Salzburg | 2023/07/10 09:00 | Peter Gojowczyk v Alex Barrena | 3-6,3-6 |
| Challenger Salzburg | 2023/07/09 10:50 | Matthias Ujvary v Alex Barrena | 2-6,3-6 |
| ITF M25 Marburg | 2023/07/05 16:40 | Alex Barrena v Adrian Oetzbach | 6-7,5-7 |
| Challenger Medellin | 2023/06/26 22:20 | Alex Barrena v Gonzalo Lama | 7-6,4-6,4-6 |
| Challenger Cali | 2023/06/19 16:00 | Alex Barrena v Juan Ignacio Londero | 2-6,4-6 |
| ITF M25 Telfs | 2023/07/19 10:00 | Kai Wehnelt v Petro Orlando Fellin | 6-3,6-1 |
| ITF M25 Esch/Alzette | 2023/07/14 10:00 | Alexander Blockx v Kai Wehnelt | 3-6,7-5,6-1 |
| ITF M25 Esch/Alzette | 2023/07/13 10:00 | Kai Wehnelt v Alex Knaff | 6-7,7-6,7-6 |
| ITF M25 Esch/Alzette | 2023/07/12 09:45 | Stijn Slump v Kai Wehnelt | 1-6,6-3,3-6 |
| ITF M25 The Hague | 2023/07/05 14:05 | Kai Wehnelt v Sander Jong | 1-6,2-6 |
| Challenger Poznan | 2023/06/19 09:00 | Rudolf Molleker v Kai Wehnelt | 6-4,6-4 |
| Challenger Poznan | 2023/06/18 08:30 | Kai Wehnelt v Kalin Ivanovski | 6-3,3-6,6-3 |
| ITF M15 Nyiregyhaza | 2023/06/07 08:00 | Peter Nad v Kai Wehnelt | 6-4,1-6,6-3 |