Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| German Championship | 2020/12/09 12:00 | Timo Stodder v Max Wiskandt | 6-4,6-4 |
| German Championship | 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 Hamburg | 2020/10/24 11:15 | Max Wiskandt v Pavel Kotov | 6-7,4-6 |
| ITF M25 Hamburg | 2020/10/20 13:45 | Lenny Hampel v Max Wiskandt | 7-5,7-6 |
| German Premier League | 2020/08/21 13:10 | Ergi Kirkin v Max Wiskandt | 0-6,7-6,6-4 |
| German Premier League | 2020/08/20 17:20 | Buvaysar Gadamauri v Max Wiskandt | 3-6,2-6 |
| German Premier League | 2020/08/19 14:55 | Mircea-Alexandru Jecan v Max Wiskandt | 6-2,2-6,6-2 |
| ITF M15 Antalya | 2020/12/23 12:25 | Georgii Kravchenko v Taiyo Yamanaka | 6-3,6-0 |
| ITF M15 Antalya | 2020/12/15 11:00 | Taiyo Yamanaka v Daniel Cox | 3-6,4-6 |
| ITF M15 Antalya | 2020/12/06 07:00 | Svyatoslav Ilnytskyy v Taiyo Yamanaka | 3-6,2-6 |
| ITF M15 Antalya | 2020/12/03 11:15 | Filip Misolic v Taiyo Yamanaka | 6-3,6-4 |
| ITF M15 Antalya | 2020/12/02 07:00 | Taiyo Yamanaka v Ivan Nedelko | 6-2,7-5 |
| ITF M15 Antalya | 2020/12/01 07:00 | Oleksandr Ovcharenko v Taiyo Yamanaka | 4-6,2-6 |
| ITF M15 Antalya | 2020/11/30 12:30 | Mert Arabaci v Taiyo Yamanaka | 0-6,2-6 |
| ITF M15 Antalya | 2020/11/29 06:00 | Moritz Trocker v Taiyo Yamanaka | 1-6,2-6 |