Stadium: Court 2 Round: 54 Ground: Carpet indoor
| 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 |
| ITF Turkey F31 | 2018/10/06 07:00 | Jonas Schaer v Charles Tzicas | 3-6,7-6,6-1 |
| ITF M15 - Antalya | 2021/01/11 07:00 | Calin Manda v Michael Weindl | 7-6,6-2 |
| ITF M15 - Antalya | 2021/01/10 06:00 | Emir Sutekin v Michael Weindl | 0-6,2-6 |
| German Championship | 2020/12/10 10:30 | Michael Weindl v Benjamin Hassan | 3-6,4-6 |
| German Championship | 2020/12/08 15:00 | Milan Welte v Michael Weindl | 0-0 |
| German Championship | 2020/12/07 15:00 | Michael Weindl v Julian Onken | 6-2,5-2 |
| ITF M15 - Bratislava | 2020/11/23 12:00 | Milos Karol v Michael Weindl | 7-6,6-4 |
| Challenger - Ismaning | 2020/10/17 15:40 | Michael Weindl v Julian Lenz | 1-6,2-6 |
| ITF M15 - Oberhaching | 2020/02/19 11:00 | Arthur Reymond v Michael Weindl | 6-3,6-2 |