Stadium: Court 1 Round: 54 Ground: Carpet indoor
| ITF M25 Trimbach | 2021/03/08 09:00 | Maxence Beauge v Mika Brunold | 7-5,6-7,9-11 |
| ITF M25 Klosters | 2020/09/15 08:00 | Remy Bertola v Mika Brunold | 6-3,6-4 |
| ITF M25 Klosters | 2020/09/14 10:00 | Mika Brunold v Maurus Malgiaritta | 6-3,6-7,10-4 |
| ITF M25 Trimbach | 2021/03/08 09:00 | Jonas Schaer v Michael Weindl | 7-6,5-7,11-9 |
| ITF M15 Horgen | 2019/08/27 14:45 | Jonas Schaer v Patrik Hartmeier | 3-6,4-6 |
| ITF M25 Schlieren | 2019/08/21 08:55 | Jakub Paul v Jonas Schaer | 6-3,6-2 |
| ITF M15 Tanger | 2019/07/15 09:00 | Christopher Patzanovsky v Jonas Schaer | 6-4,2-6,13-11 |
| ITF M25 Oberentfelden | 2019/02/06 14:00 | Jonas Schaer v Mattia Bellucci | 2-6,4-6 |
| ITF M25 Oberentfelden | 2019/02/04 13:45 | Adam Moundir v Jonas Schaer | 6-0,5-7,8-10 |
| ITF M25 Oberentfelden | 2019/02/04 08:30 | Jonas Schaer v Luca Staeheli | 6-7,6-3,10-8 |
| ITF Turkey F31 | 2018/10/07 07:00 | Jonas Schaer v Cosmin Ontica | 2-6,7-5,4-6 |