Stadium: Court 17 Round: 54 Ground: Clay
| ITF M25 Trier | 2021/08/23 08:30 | Max Wiskandt v Tom Diederich | 6-2,6-4 |
| ITF M25 Ueberlingen | 2021/08/18 08:00 | Henri Squire v Max Wiskandt | 6-4,6-3 |
| ITF M25 Frankfurt am Main | 2021/08/09 11:55 | Max Wiskandt v Niklas Schell | 6-3,3-6,5-10 |
| ITF M25 Wetzlar | 2021/08/04 12:55 | Matthew Romios v Max Wiskandt | 6-4,6-3 |
| ITF M25 Marburg | 2021/07/06 16:15 | Max Wiskandt v Kyrian Jacquet | 6-2,6-4 |
| ITF M25 Alkmaar | 2021/06/20 11:00 | Marvin Moeller v Max Wiskandt | 7-6,6-3 |
| ITF M15 Heraklion | 2021/05/23 08:00 | Eleftherios Neos v Max Wiskandt | 3-6,2-6 |
| ITF M15 Heraklion | 2021/05/20 09:50 | Max Wiskandt v Yshai Oliel | 6-3,1-6,2-6 |
| ITF M25 Trier | 2021/08/23 08:00 | Tristan Reiff v Daniil Tsebrenko | 6-3,6-1 |
| ITF M25 Meerbusch | 2021/04/12 07:30 | Tristan Reiff v Paul Woerner | 3-6,1-6 |
| ITF M15 Trier | 2019/08/13 12:50 | Tristan Reiff v Moritz Pfaff | 3-6,2-6 |