Stadium: Grandstand Round: 25 Ground: Clay
| Challenger Milan | 2021/06/23 09:00 | Tristan Lamasine v Pedro Cachin | 1-6,4-6 |
| Challenger Milan | 2021/06/22 08:30 | Tristan Lamasine v Andrea Arnaboldi | 3-6,6-1,7-5 |
| Challenger Aix en Provence | 2021/06/18 09:00 | Manuel Guinard v Tristan Lamasine | 6-7,6-3,6-3 |
| Challenger Aix en Provence | 2021/06/16 08:30 | Bjorn Fratangelo v Tristan Lamasine | 5-7,3-6 |
| Challenger Aix en Provence | 2021/06/15 08:30 | Tristan Lamasine v Sumit Nagal | 4-6,7-6,6-1 |
| Challenger Lyon | 2021/06/10 09:30 | Facundo Bagnis v Tristan Lamasine | 6-4,6-0 |
| Challenger Lyon | 2021/06/08 13:45 | Marco Trungelliti v Tristan Lamasine | 6-7,2-6 |
| French Open | 2021/05/24 18:25 | Jozef Kovalik v Tristan Lamasine | 7-5,7-6 |
| Challenger Braunschweig | 2021/07/07 11:15 | Daniel Altmaier v Mario Vilella Martinez | 6-3,6-2 |
| Challenger Braunschweig | 2021/07/05 15:20 | Mario Vilella Martinez v Rudolf Molleker | 3-6,6-4,6-3 |
| Wimbledon | 2021/06/22 13:25 | Andrey Kuznetsov v Mario Vilella Martinez | 6-4,6-7,6-2 |
| Challenger Nottingham Qual | 2021/06/13 12:00 | Mario Vilella Martinez v Matthew Ebden | 3-6,3-6 |
| Challenger Nottingham | 2021/06/08 10:00 | Brandon Nakashima v Mario Vilella Martinez | 6-3,6-2 |
| French Open | 2021/05/30 11:00 | Mario Vilella Martinez v Roberto Bautista-Agut | 4-6,4-6,2-6 |
| French Open | 2021/05/28 08:30 | Mario Vilella Martinez v Peter Gojowczyk | 4-6,6-3,6-2 |
| French Open | 2021/05/26 13:50 | Mario Vilella Martinez v Filip Horansky | 6-2,6-3 |