Stadium: Court A Round: 26 Ground: Hardcourt indoor
| ITF - M15 Poitiers | 2021/03/17 09:00 | Mick Veldheer v Martin Breysach | 1-6,6-4,6-7 |
| ITF M15 Bratislava | 2021/03/10 15:15 | Danylo Kalenichenko v Martin Breysach | 7-5,4-6,7-5 |
| ITF M25 Vale Do Lobo | 2021/02/21 11:30 | Lukas H Lilleengen v Martin Breysach | 3-6,6-2,11-9 |
| ITF M15 Grenoble | 2021/02/10 12:15 | Martin Breysach v Lucas Poullain | 2-6,2-6 |
| ITF M15 Monastir | 2021/01/13 08:00 | Simon Yitbarek v Martin Breysach | 7-5,3-6,1-6 |
| ITF M15 Monastir | 2020/12/25 10:30 | Martin Breysach v Benjamin Pietri | 4-6,6-4,1-6 |
| ITF M15 Monastir | 2020/12/24 11:45 | Aziz Ouakaa v Martin Breysach | 3-6,7-5,2-6 |
| ITF M15 Monastir | 2020/12/22 08:30 | Martin Breysach v Savva Polukhin | 6-4,7-5 |
| ITF - M15 Poitiers | 2021/03/17 09:00 | Oscar Moraing v Max Wiskandt | 3-6,7-6,0-6 |
| ITF M15 Monastir | 2021/02/14 10:00 | Antonio Massara v Max Wiskandt | 6-4,6-4 |
| ITF M15 Monastir | 2021/02/08 11:45 | Antonio Massara v Max Wiskandt | 7-6,3-6,10-6 |
| ITF M15 Monastir | 2021/02/07 14:30 | Max Wiskandt v Taiyo Yamanaka | 2-6,7-5,11-9 |
| Mistrovství Německa | 2020/12/09 12:00 | Timo Stodder v Max Wiskandt | 6-4,6-4 |
| Mistrovství Německa | 2020/12/08 08:00 | Nils Brinkmann v Max Wiskandt | 7-6,3-6,4-6 |
| Challenger Eckental | 2020/10/31 13:30 | Max Wiskandt v Duje Ajdukovic | 6-4,4-6,6-7 |
| Challenger Hamburk | 2020/10/24 11:15 | Max Wiskandt v Pavel Kotov | 6-7,4-6 |