Stadium: Court 2 Round: 14 Ground: Clay
| Challenger Vicenza | 2023/05/28 12:00 | Lorenzo Giustino v Daniel Dutra Da Silva | 6-4,4-6,6-1 |
| Challenger Skopje | 2023/05/22 14:10 | Gerard Campana Lee v Daniel Dutra Da Silva | 6-3,6-2 |
| Challenger Coquimbo | 2023/05/02 17:40 | Daniel Dutra Da Silva v Thiago Seyboth Wild | 1-6,2-6 |
| Challenger Buenos Aires | 2023/04/24 16:25 | Andrea Collarini v Daniel Dutra Da Silva | 6-4,6-2 |
| Challenger Florianopolis | 2023/04/17 16:00 | Daniel Dutra Da Silva v Thiago Seyboth Wild | 3-6,5-7 |
| Challenger Madrid | 2023/04/10 11:10 | Daniel Dutra Da Silva v Daniel Rincon | 6-4,1-6,0-6 |
| Challenger Madrid | 2023/04/09 16:10 | Daniel Dutra Da Silva v Orlando Luz | 4-6,6-2,7-5 |
| Challenger Murcia | 2023/04/07 10:30 | Daniel Dutra Da Silva v Pablo Llamas Ruiz | 3-6,1-6 |
| ITF M25 Jablonec Nad Nisou | 2023/06/03 09:00 | Sebastian Fanselow v Tim Handel | 4-6,2-6 |
| ITF M25 Jablonec Nad Nisou | 2023/06/02 09:00 | Khumoyun Sultanov v Sebastian Fanselow | 5-7,5-7 |
| ITF M25 Jablonec Nad Nisou | 2023/06/01 07:55 | Sebastian Fanselow v Michael Vrbensky | 6-3,4-6,6-3 |
| ITF M25 Jablonec Nad Nisou | 2023/05/31 11:30 | Sebastian Fanselow v Dominik Recek | 6-0,6-3 |
| ITF M15 Warmbad-Villach | 2023/05/25 07:25 | Sebastian Fanselow v Philip Florig | 6-2,3-6,6-7 |
| ITF M15 Warmbad-Villach | 2023/05/23 08:50 | Sebastian Fanselow v Marko Andrejic | 6-0,6-2 |
| Challenger Oeiras | 2023/05/15 11:15 | Eduardo Ribeiro v Sebastian Fanselow | 6-2,6-4 |
| Challenger Oeiras | 2023/05/14 15:00 | Sebastian Fanselow v Alejandro Moro Canas | 7-5,6-4 |