Stadium: Court 7 Round: 62 Ground: Clay
| ITF M15 Troisdorf | 2021/05/09 10:00 | Sebastian Prechtel v Buvaysar Gadamauri | 2-6,4-6 |
| ITF M15 Sibenik | 2021/04/24 10:05 | Aldin Setkic v Sebastian Prechtel | 4-6,6-2,7-5 |
| ITF M15 Sibenik | 2021/04/23 08:00 | Sebastian Prechtel v Alexander Erler | 6-4,6-4 |
| ITF M15 Sibenik | 2021/04/22 08:00 | Kyrian Jacquet v Sebastian Prechtel | 1-6,6-2,3-6 |
| ITF M15 Sibenik | 2021/04/21 08:00 | Sebastian Prechtel v Frane Nincevic | 6-0,6-3 |
| ITF M25 Meerbusch | 2021/04/14 12:25 | Sebastian Prechtel v Tobias Simon | 5-7,6-3,3-6 |
| ITF M25 Meerbusch | 2021/04/13 12:35 | Alexis Boureau v Sebastian Prechtel | 6-7,6-7 |
| ITF M25 Meerbusch | 2021/04/12 10:30 | Hugo Voljacques v Sebastian Prechtel | 6-7,7-6,4-10 |
| ITF M15 Troisdorf | 2021/05/12 10:10 | Marlon Vankan v Alexander Mannapov | 6-2,6-1 |
| Eastern European Championship | 2020/12/22 12:35 | Aziz Kijametovic v Alexander Mannapov | 6-4,6-3 |
| Eastern European Championship | 2020/12/21 11:00 | Duje Kekez v Alexander Mannapov | 7-5,6-1 |
| German Masters | 2020/08/28 15:40 | Inigo C Huegun v Alexander Mannapov | 6-3,6-4 |
| German Premier League | 2020/08/27 06:30 | Karlo Cubelic v Alexander Mannapov | 6-1,6-2 |
| German Premier League | 2020/08/26 14:40 | Peter Torebko v Alexander Mannapov | 6-3,7-5 |
| German Masters | 2020/08/21 18:45 | Benjamin Lock v Alexander Mannapov | 6-4,6-4 |
| German Masters | 2020/08/20 06:30 | Benito Sanchez Martinez v Alexander Mannapov | 6-4,4-6,6-0 |