Stadium: B & B Court Round: 25 Ground: Clay
| Challenger Meerbusch | 2023/08/07 15:50 | Stefanos Sakellaridis v Martin Krumich | 3-6,5-7 |
| Challenger Meerbusch | 2023/08/06 13:10 | Martin Krumich v Hazem Naw | 6-4,6-2 |
| Challenger Liberec | 2023/07/30 11:40 | Martin Krumich v Federico Iannaccone | 6-7,3-6 |
| ITF M25 Telfs | 2023/07/19 12:30 | Tomas Lanik v Martin Krumich | 1-6,6-4,6-4 |
| ITF M25 Esch/Alzette | 2023/07/13 15:00 | Nikolas Sanchez Izquierdo v Martin Krumich | 6-3,7-6 |
| ITF M25 Esch/Alzette | 2023/07/12 08:00 | Martin Krumich v Florian Broska | 6-3,7-6 |
| ITF M25 Marburg | 2023/07/07 12:30 | Adrian Oetzbach v Martin Krumich | 6-3,6-4 |
| ITF M25 Marburg | 2023/07/06 11:40 | Martin Krumich v Michael Agwi | 7-5,7-6 |
| Challenger Porto | 2023/08/04 17:30 | Jules Marie v Denis Yevseyev | 3-6,7-6,6-4 |
| Challenger Porto | 2023/08/03 12:45 | Denis Yevseyev v Emilio Nava | 3-6,6-3,7-5 |
| Challenger Porto | 2023/08/02 16:30 | Joao Domingues v Denis Yevseyev | 2-6,6-3,3-6 |
| Challenger Astana | 2023/07/30 05:00 | Khumoyun Sultanov v Denis Yevseyev | 5-7,6-2,4-6 |
| Challenger Astana | 2023/07/29 06:35 | Denis Yevseyev v Yanki Erel | 6-4,6-4 |
| Challenger Astana | 2023/07/28 08:15 | Alexander Zgirovsky v Denis Yevseyev | 2-6,4-6 |
| Challenger Astana | 2023/07/27 06:45 | Orel Kimhi v Denis Yevseyev | 5-7,1-6 |
| Challenger Astana | 2023/07/25 05:55 | Ajeet Rai v Denis Yevseyev | 4-6,1-6 |