Stadium: Bernard Frances Round: 27 Ground: Hardcourt outdoor
| ITF M15 Marbella | 2021/05/27 09:00 | Mats Rosenkranz v Alejandro Moro Canas | 6-7,5-7 |
| ITF M15 Marbella | 2021/05/26 11:05 | Alejandro Moro Canas v Albert Roglan | 6-2,6-1 |
| ITF M15 Marbella | 2021/05/25 07:30 | Alejandro Moro Canas v Hazem Naw | 6-7,6-1,10-3 |
| ITF M15 Marbella | 2021/05/24 11:00 | Alejandro Moro Canas v Clement Deleersnyder | 6-4,6-1 |
| ITF M15 Marbella | 2021/05/23 11:00 | Alejandro Moro Canas v Ivan Bas Mengual | 6-1,6-3 |
| ITF M25 Vic | 2021/05/17 09:00 | Alejandro Moro Canas v Yan Bondarevskiy | 6-4,3-6,9-11 |
| ITF M15 Valldoreix | 2021/05/09 12:00 | Niels Visker v Alejandro Moro Canas | 3-6,6-2,10-6 |
| ITF M15 Majadahonda | 2021/05/02 13:15 | Pol Toledo Bague v Alejandro Moro Canas | 6-4,6-4 |
| ITF M15 Marbella | 2021/05/27 09:20 | Maxime Mora v Yannick Mertens | 5-7,0-6 |
| ITF M15 Marbella | 2021/05/25 09:00 | Francisco Andreu Garcia v Yannick Mertens | 6-7,1-6 |
| ITF M15 Troisdorf | 2021/05/14 11:00 | Yannick Mertens v Elmar Ejupovic | 2-6,1-6 |
| ITF M15 Troisdorf | 2021/05/13 09:00 | Yannick Mertens v Luke Johnson | 7-6,6-4 |
| ITF M15 Troisdorf | 2021/05/12 12:00 | Yannick Mertens v Max Wiskandt | 7-6,6-3 |
| ITF M15 Sibenik | 2021/04/21 12:05 | Gergely Madarasz v Yannick Mertens | 6-4,5-7,6-3 |
| ITF M25 Meerbusch | 2021/04/15 10:00 | Alexander Erler v Yannick Mertens | 6-3,3-6,6-1 |
| ITF M25 Meerbusch | 2021/04/13 13:30 | Yannick Mertens v Jeroen Vanneste | 6-3,6-4 |