Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| Challenger Zhuhai | 2023/08/22 07:00 | Dominik Palan v Shuichi Sekiguchi | 7-6,5-7,6-2 |
| ITF M25 Yinchuan | 2023/08/18 03:40 | Dominik Palan v Duckhee Lee | 6-2,4-6,6-2 |
| ITF M25 Yinchuan | 2023/08/17 03:30 | Dominik Palan v Luca Castelnuovo | 7-6,3-6,7-6 |
| ITF M25 Yinchuan | 2023/08/16 06:00 | Dominik Palan v Hanyi Liu | 7-6,6-2 |
| Challenger Porto | 2023/07/31 14:20 | Adrian Andreev v Dominik Palan | 6-3,7-6 |
| Challenger Segovia | 2023/07/26 09:25 | Juan Pablo Ficovich v Dominik Palan | 7-6,6-2 |
| Challenger Pozoblanco | 2023/07/18 07:30 | Dominik Palan v Antoine Escoffier | 4-6,4-6 |
| ITF M25 Roda de Bara | 2023/07/15 11:10 | Imanol L Morillo v Dominik Palan | 6-1,1-6,6-1 |
| Challenger Zhuhai | 2023/08/21 04:40 | Robert Strombachs v Tao Mu | 6-4,3-6,6-4 |
| Challenger Porto | 2023/08/01 17:30 | Henrique Rocha v Robert Strombachs | 6-4,4-6,6-4 |
| Challenger Porto | 2023/07/31 12:05 | Robert Strombachs v Duarte Vale | 6-2,7-6 |
| Challenger Porto | 2023/07/30 14:00 | Robert Strombachs v Andrea Guerrieri | 6-3,6-4 |
| Challenger Segovia | 2023/07/24 10:50 | Robert Strombachs v Luca Potenza | 7-6,3-6,6-7 |
| Challenger Segovia | 2023/07/23 13:10 | Robert Strombachs v Maxime Mora | 6-4,6-3 |
| Challenger Pozoblanco | 2023/07/16 17:00 | Robert Strombachs v Alberto Barroso Campos | 2-6,3-6 |
| ITF M25 Kassel | 2023/07/12 09:55 | Milan Welte v Robert Strombachs | 6-3,6-2 |