Stadium: Court 6 Round: 28 Ground: Clay
| ITF M25 Alkmaar | 2021/06/25 11:30 | Nicolas Alvarez Varona v Marvin Moeller | 6-1,6-4 |
| ITF M25 Alkmaar | 2021/06/24 15:00 | Nicolas Alvarez Varona v Carlos Lopez Montagud | 5-7,6-3,6-2 |
| ITF M25 Alkmaar | 2021/06/23 15:05 | Jesper De Jong v Nicolas Alvarez Varona | 4-6,6-4,4-6 |
| ITF - M15 Héraklion | 2021/06/10 09:25 | Nicolas Alvarez Varona v Roman Andres Burruchaga | 7-6,2-6,1-6 |
| ITF - M15 Héraklion | 2021/06/09 06:30 | Nicolas Alvarez Varona v Cohen, Eduardo | 6-2,6-2 |
| ITF - M15 Héraklion | 2021/06/05 08:10 | Patael, Ben v Nicolas Alvarez Varona | 7-5,6-2 |
| ITF - M15 Héraklion | 2021/06/04 06:25 | Nicolas Alvarez Varona v Ugo Blanchet | 6-1,7-5 |
| ITF - M15 Héraklion | 2021/06/03 09:30 | Nicolas Alvarez Varona v Breysach , Martin | 6-3,6-3 |
| ITF M25 Alkmaar | 2021/06/25 11:45 | Heyman, Christopher v Gijs Brouwer | 6-4,6-4 |
| ITF M25 Alkmaar | 2021/06/24 09:00 | Kaichi Uchida v Heyman, Christopher | 2-6,6-3,6-7 |
| ITF M25 Alkmaar | 2021/06/22 09:00 | Heyman, Christopher v Alexander Shevchenko | 7-6,6-2 |
| ITF - M15 Antalya | 2021/06/17 07:30 | Francisco Comesana v Heyman, Christopher | 6-4,6-3 |
| ITF - M15 Antalya | 2021/06/16 16:25 | Dembek, Michal v Heyman, Christopher | 0-6,2-6 |
| ITF - M15 Antalya | 2021/04/30 09:30 | Heyman, Christopher v Forti, Francesco | 7-5,4-6,6-2 |
| ITF - M15 Antalya | 2021/04/29 11:45 | Heyman, Christopher v Mats Rosenkranz | 4-6,6-4,7-5 |
| ITF - M15 Antalya | 2021/04/28 11:00 | Heyman, Christopher v Nicholas David Ionel | 6-4,6-4 |