Stadium: Court 4 Round: 62 Ground: Clay
| ITF M15 Valldoreix | 2021/05/10 09:00 | Pierre Delage v Niels Visker | 4-6,2-6 |
| ITF M15 Valldoreix | 2021/05/09 12:00 | Niels Visker v Alejandro Moro Canas | 3-6,6-2,10-6 |
| ITF M15 Majadahonda | 2021/05/06 08:30 | Georgii Kravchenko v Niels Visker | 2-6,6-3,6-2 |
| ITF M15 Majadahonda | 2021/05/05 07:00 | Dominic Stephan Stricker v Niels Visker | 6-3,3-6,3-6 |
| ITF M15 Majadahonda | 2021/05/03 14:30 | Niels Visker v Remy Bertola | 6-3,6-4 |
| ITF M15 Majadahonda | 2021/05/03 10:45 | Miguel Damas v Niels Visker | 4-6,3-6 |
| ITF M15 Majadahonda | 2021/05/02 13:15 | Niels Visker v Vicente O Moratalla | 6-2,6-4 |
| ITF M25 Meerbusch | 2021/04/15 11:55 | Elmar Ejupovic v Niels Visker | 6-2,6-3 |
| ITF M15 Valldoreix | 2021/05/10 09:00 | Francisco Cabral v Ryan Nijboer | 6-1,7-5 |
| ITF M15 Valldoreix | 2021/05/09 13:00 | Francisco Cabral v Rafael Giotis | 7-5,6-0 |
| ITF M15 Majadahonda | 2021/05/02 12:00 | Francisco Cabral v Yan Bondarevskiy | 5-7,3-6 |
| ITF M15 Antalya | 2021/04/20 12:00 | Emiliano Maggioli v Francisco Cabral | 6-4,6-3 |
| ITF M15 Antalya | 2021/04/19 07:00 | Francisco Cabral v Fabrizio Andaloro | 7-5,7-6 |
| Challenger Oeiras | 2021/03/30 12:00 | Francisco Cabral v Mats Moraing | 2-6,7-6,2-6 |
| Challenger Oeiras | 2021/03/29 10:00 | Evan Furness v Francisco Cabral | 6-3,6-4 |
| Challenger Oeiras | 2021/03/28 10:00 | Francisco Cabral v Ivan Nedelko | 6-2,5-7,6-4 |