Stadium: Center Court Round: 26 Ground: Carpet indoor
| Challenger Biel | 2021/09/20 13:35 | Dennis Novak v Matthias Bachinger | 6-4,6-2 |
| Challenger Tulln | 2021/09/07 14:35 | Matthias Bachinger v Thiago Monteiro | 6-3,1-6,1-6 |
| Challenger Salzburg | 2021/07/05 13:40 | Hugo Gaston v Matthias Bachinger | 6-4,6-3 |
| ATP Mallorca | 2021/06/19 09:00 | Radu Albot v Matthias Bachinger | 6-4,4-6,7-5 |
| Challenger Prostejov | 2021/06/14 12:40 | Matthias Bachinger v Dalibor Svrcina | 6-2,0-6,1-6 |
| Challenger Bratislava | 2021/06/11 12:35 | Matthias Bachinger v Sebastian Baez | 6-7,6-7 |
| Challenger Bratislava | 2021/06/10 14:55 | Jozef Kovalik v Matthias Bachinger | 7-6,1-6,4-6 |
| Challenger Bratislava | 2021/06/08 14:05 | Quentin Halys v Matthias Bachinger | 6-7,2-6 |
| ITF M15 - Allershausen | 2021/09/01 09:00 | Dominik Boehler v Michael Weindl | 1-6,6-1,6-2 |
| ITF M15 - Allershausen | 2021/08/31 08:00 | Anirudh Chandrasekar v Michael Weindl | 2-6,3-6 |
| ITF M25 - Trimbach | 2021/03/08 09:00 | Jonas Schaer v Michael Weindl | 7-6,5-7,11-9 |
| 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 |
| Tyskland - Mästerskap | 2020/12/10 10:30 | Michael Weindl v Benjamin Hassan | 3-6,4-6 |
| Tyskland - Mästerskap | 2020/12/08 15:00 | Milan Welte v Michael Weindl | 0-0 |
| Tyskland - Mästerskap | 2020/12/07 15:00 | Michael Weindl v Julian Onken | 6-2,5-2 |