Stadium: Court 16 Round: 54 Ground: Clay
| 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 M15 Heraklion | 2021/05/18 10:10 | Lorenzo Claverie v Max Wiskandt | 4-6,4-6 |
| Davis Cup | 2019/09/11 10:35 | Tom Diederich v Stefanos Tsitsipas | 1-6,0-6 |
| ITF M15 Trier | 2019/08/12 08:00 | Tom Diederich v Filippo Giovannini | 0-6,2-6 |
| ITF M15 Eupen | 2019/08/05 09:00 | Louis Lechevretel v Tom Diederich | 6-4,6-2 |
| ITF Belgium F6 Qual | 2018/07/29 15:25 | Tom Diederich v Alexis Boureau | 2-6,2-6 |
| ITF Belgium F5 | 2018/07/22 12:00 | Teodor Giusca v Tom Diederich | 6-4,6-2 |
| ITF Belgium F5 | 2018/07/21 13:00 | Tom Diederich v Goran Duquesne | 6-4,6-2 |
| ITF Germany F8 Qual | 2018/07/15 12:30 | Tom Diederich v Arthur Reymond | 3-6,1-6 |
| ITF Germany F8 Qual | 2018/07/15 08:30 | Tom Diederich v Robi Tholl | 6-4,6-2 |