Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Bad Waltersdorf | 2021/08/24 07:00 | Dominik Boehler v Marko Topo | 7-6,6-7,4-6 |
| ITF M15 Oldenzaal | 2021/08/17 10:15 | Dominik Boehler v Oscar Moraing | 4-6,1-6 |
| ITF M15 Oldenzaal | 2021/08/16 10:00 | Dominik Boehler v Louis Allen | 6-1,6-1 |
| ITF M25 Frankfurt nad Mohanem | 2021/08/10 10:20 | Dominik Boehler v Benito Sanchez Martinez | 4-6,6-7 |
| ITF M25 Frankfurt nad Mohanem | 2021/08/09 14:10 | Dominik Boehler v Julian Worn | 6-2,6-3 |
| ITF M15 Frederiksberg | 2021/08/04 07:50 | Dominik Boehler v August Holmgren | 4-6,6-7 |
| ITF M15 Troisdorf | 2021/05/11 10:00 | Dominik Boehler v Oscar Moraing | 1-6,4-6 |
| ITF M15 Troisdorf | 2021/05/10 12:30 | Dominik Boehler v Paulo Knippling | 6-0,6-2 |
| 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 |
| Mistrovství Německa | 2020/12/10 10:30 | Michael Weindl v Benjamin Hassan | 3-6,4-6 |
| Mistrovství Německa | 2020/12/08 15:00 | Milan Welte v Michael Weindl | 0-0 |
| Mistrovství Německa | 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 |