Stadium: Court 9 Round: 25 Ground: Hardcourt outdoor
| Challenger Biel | 2021/09/19 08:00 | Hiroki Moriya v Ehrat, Sandro | 6-3,6-4 |
| Gstaad, Switzerland | 2021/07/19 09:30 | Marc Polmans v Ehrat, Sandro | 7-5,6-3 |
| Gstaad, Switzerland | 2021/07/18 09:00 | Kacper Zuk v Ehrat, Sandro | 6-2,4-6,2-6 |
| Gstaad, Switzerland | 2021/07/17 10:15 | Ehrat, Sandro v Gulbis, Ernests | 6-3,6-4 |
| Braunchsweig, Germany | 2021/07/07 12:55 | Ehrat, Sandro v Benjamin Hassan | 6-4,3-6,4-6 |
| Braunchsweig, Germany | 2021/07/06 10:35 | Ehrat, Sandro v Moraing, Mats | 6-7,6-4,6-4 |
| Braunchsweig, Germany | 2021/07/05 09:30 | Ehrenschneider, Nino v Ehrat, Sandro | 4-6,7-6,1-6 |
| Braunchsweig, Germany | 2021/07/04 12:25 | Ehrat, Sandro v Dougaz, Aziz | 1-6,6-3,6-1 |
| ITF - M15 Oberhaching | 2022/02/15 12:55 | Luca Van Assche v Mertens, Yannick | 6-3,7-6 |
| ITF - M15 Grenoble | 2022/02/10 10:00 | Wang, Tak Khunn v Mertens, Yannick | 6-3,6-1 |
| ITF - M15 Grenoble | 2022/02/08 12:00 | Mertens, Yannick v Breysach , Martin | 1-6,7-5,6-3 |
| ITF M25 Monastir | 2022/01/27 10:00 | Mertens, Yannick v Dan Added | 3-6,4-6 |
| ITF M25 Monastir | 2022/01/26 15:55 | Mertens, Yannick v Colin Sinclair | 6-4,6-4 |
| ITF M25 Rodez | 2021/10/15 09:55 | Mertens, Yannick v Martin Damm | 3-6,2-6 |
| ITF M25 Rodez | 2021/10/14 07:55 | Jelle Sels v Mertens, Yannick | 4-6,6-3,6-7 |
| ITF M25 Rodez | 2021/10/13 09:25 | Blake Ellis v Mertens, Yannick | 4-6,7-6,1-6 |