Stadium: Center Court Round: 28 Ground: Clay
| Challenger - Tampere | 2023/07/21 10:00 | Duje Ajdukovic v Daniel Rincon | 3-6,1-6 |
| Challenger - Tampere | 2023/07/20 09:00 | Daniel Rincon v Kimmer Coppejans | 7-5,6-4 |
| Challenger - Tampere | 2023/07/18 11:30 | Daniel Rincon v Lorenzo Rottoli | 6-2,3-6,7-5 |
| Challenger - San Benedetto | 2023/07/15 19:30 | Richard Gasquet v Daniel Rincon | 6-4,6-1 |
| Challenger - San Benedetto | 2023/07/14 18:00 | Daniel Rincon v Dimitar Kuzmanov | 6-7,6-1,6-4 |
| Challenger - San Benedetto | 2023/07/12 16:40 | Thiago Agustin Tirante v Daniel Rincon | 7-5,5-7,2-6 |
| Challenger - San Benedetto | 2023/07/10 10:25 | Daniel Rincon v Luca Castagnola | 6-4,6-1 |
| Challenger - San Benedetto | 2023/07/09 15:30 | Daniel Rincon v Hans Hach Verdugo | 6-2,6-2 |
| Challenger - Tampere | 2023/07/21 11:30 | Sumit Nagal v Mohamed Aziz Dougaz | 6-3,6-3 |
| Challenger - Tampere | 2023/07/20 11:10 | Sumit Nagal v Joao Lucas Reis da Silva | 6-3,6-7,7-6 |
| Challenger - Tampere | 2023/07/19 10:55 | Sumit Nagal v Jiri Vesely | 6-4,6-1 |
| Challenger - Salzburg | 2023/07/10 13:00 | Sumit Nagal v Lukas Neumayer | 4-6,6-7 |
| Challenger - Poznan | 2023/06/21 11:20 | Facundo Diaz Acosta v Sumit Nagal | 6-1,2-6,6-4 |
| Challenger - Poznan | 2023/06/20 11:15 | Sumit Nagal v Leo Borg | 6-2,6-3 |
| Challenger - Bratislava | 2023/06/12 15:30 | Zsombor Piros v Sumit Nagal | 6-2,7-5 |
| Challenger - Troisdorf | 2023/06/03 12:30 | Sumit Nagal v Frederico Ferreira Silva | 2-6,6-3,4-6 |