Stadium: Cancha Central Round: 14 Ground: Clay
| ITF M15 Heraklion | 2021/06/03 09:30 | Nicolas Alvarez Varona v Martin Breysach | 6-3,6-3 |
| ITF M15 Heraklion | 2021/06/02 13:50 | Nicolas Alvarez Varona v Matteo De Vincentis | 6-4,6-2 |
| ITF M15 Marbella | 2021/05/29 07:55 | Yannick Mertens v Nicolas Alvarez Varona | 1-6,7-5,6-3 |
| ITF M15 Marbella | 2021/05/28 08:00 | Nicolas Alvarez Varona v Imanol L Morillo | 6-2,4-6,6-4 |
| ITF M15 Marbella | 2021/05/27 09:00 | Nicolas Alvarez Varona v Max Alcala Gurri | 6-4,6-1 |
| ITF M15 Marbella | 2021/05/26 13:55 | Nicolas Alvarez Varona v Luis Diego Chavez Villalpando | 6-2,6-1 |
| ITF M15 Valldoreix | 2021/05/12 12:05 | Alex M Pujolras v Nicolas Alvarez Varona | 6-7,6-2,6-1 |
| ITF M15 Valldoreix | 2021/05/11 08:00 | Nicolas Alvarez Varona v Oleg Prihodko | 6-7,6-4,11-9 |