Stadium: Court 11 Round: 26 Ground: Clay
| Challenger - Braunschweig | 2021/07/06 10:35 | Sandro Ehrat v Mats Moraing | 6-7,6-4,6-4 |
| Challenger - Braunschweig | 2021/07/05 09:30 | Nino Ehrenschneider v Sandro Ehrat | 4-6,7-6,1-6 |
| Challenger - Braunschweig | 2021/07/04 12:25 | Sandro Ehrat v Mohamed Aziz Dougaz | 1-6,6-3,6-1 |
| ITF M25 - Klosters | 2021/06/24 06:55 | Mick Veldheer v Sandro Ehrat | 6-3,5-7,6-3 |
| ITF M25 - Klosters | 2021/06/23 10:50 | Maximilian Neuchrist v Sandro Ehrat | 4-6,4-6 |
| ITF - M15 Antalya | 2021/06/11 09:30 | Sandro Ehrat v Damien Wenger | 6-4,3-6,2-6 |
| ITF - M15 Antalya | 2021/06/10 10:10 | Sandro Ehrat v Pawel Juszczak | 1-6,7-6,7-6 |
| ITF - M15 Antalya | 2021/06/08 12:30 | Sandro Ehrat v Fabrizio Andaloro | 6-3,6-2 |
| Challenger - Braunschweig | 2021/07/06 10:30 | Benjamin Hassan v Dayne Kelly | 6-4,7-6 |
| Challenger - Braunschweig | 2021/07/05 12:55 | Benjamin Hassan v Mats Rosenkranz | 2-6,2-6 |
| Challenger - Braunschweig | 2021/07/04 14:25 | Prajnesh Gunneswaran v Benjamin Hassan | 5-7,4-6 |
| ITF - M25 Alkmaar | 2021/06/22 08:55 | Gijs Brouwer v Benjamin Hassan | 1-6,7-6,7-5 |
| Challenger - Almaty | 2021/06/14 06:10 | Vitaliy Sachko v Benjamin Hassan | 4-6,6-3,6-1 |
| Challenger Almaty - Calificari | 2021/06/13 10:05 | Tsung-Hua Yang v Benjamin Hassan | 1-6,3-6 |
| Challenger - Almaty | 2021/06/07 04:00 | Evan Furness v Benjamin Hassan | 6-3,3-6,6-4 |
| Challenger - Almaty | 2021/06/06 06:45 | Benjamin Hassan v Ivan Nedelko | 6-2,6-2 |