Stadium: S+S Court Round: 54 Ground: Clay
| ITF M15 Troisdorf | 2021/05/12 10:10 | Marlon Vankan v Alexander Mannapov | 6-2,6-1 |
| ITF M15 Sibenik | 2021/05/16 07:30 | Sebastian Prechtel v Alexander Mannapov | 7-5,6-1 |
| 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 |
| ITF M15 Heraklion | 2022/06/01 07:00 | Leonardo Rossi v Marlon Vankan | 7-5,6-1 |
| ITF M15 Heraklion | 2022/05/25 07:00 | Marlon Vankan v Ben Jones | 6-3,7-5 |
| ITF M15 Heraklion | 2022/05/19 09:35 | Marlon Vankan v Matthew Dellavedova | 6-4,1-6,4-6 |
| ITF M15 Heraklion | 2022/05/17 10:35 | Milan Welte v Marlon Vankan | 2-6,0-6 |
| ITF M15 Meerbusch | 2022/05/02 08:00 | Marlon Vankan v Michael Agwi | 3-6,5-7 |
| UTR Pro Tennis Series Barcelona | 2022/04/03 07:30 | Marlon Vankan v David Jorda Sanchis | 1-6,0-2 |
| UTR Pro Tennis Series Barcelona | 2022/04/02 07:30 | Pol Amoros Ramos v Marlon Vankan | 4-6,6-3,3-5 |
| UTR Pro Tennis Series Barcelona | 2022/03/31 15:30 | Xavier Sarda Marti v Marlon Vankan | 3-6,3-6 |