Stadium: Court Central Round: 44 Ground: Clay
| ITF M15 Poitiers | 2021/03/14 09:50 | Mathis Bondaz v Hugo Pontico | 5-7,3-6 |
| Challenger Lyon | 2021/06/06 11:05 | Alexey Vatutin v Mathys Erhard | 6-4,6-4 |
| ITF M15 Antalya | 2021/05/05 10:10 | Mathys Erhard v Cheong-Eui Kim | 4-6,6-2,4-6 |
| ITF M15 Antalya | 2021/04/25 07:00 | Mathys Erhard v Gabriele Bosio | 6-4,4-6,6-10 |
| ITF M15 Antalya | 2021/04/21 07:00 | Francesco Forti v Mathys Erhard | 6-4,6-2 |
| ITF M15 Antalya | 2021/04/20 12:00 | Luis Faria v Mathys Erhard | 4-6,3-6 |
| ITF M15 Antalya | 2021/04/19 09:00 | Mathys Erhard v Daniil Glinka | 3-6,6-3,12-10 |
| ITF M15 Antalya | 2021/04/18 07:00 | Abdurahman Saidmuhamedov v Mathys Erhard | 1-6,1-6 |
| ITF M15 Antalya | 2021/04/13 07:00 | Mathys Erhard v Matteo Arnaldi | 6-7,6-3,10-12 |