Stadium: Court 4 Round: 26 Ground: Clay
| ITF M25 Meerbusch | 2021/04/13 09:30 | David Pichler v John Sperle | 6-0,6-2 |
| ITF M25 Meerbusch | 2021/04/12 09:30 | David Pichler v Weng, Jing Long | 6-2,6-1 |
| ITF M25 Meerbusch | 2021/04/11 14:30 | David Pichler v Walterscheid-Tukic, Nikolas | 6-1,6-1 |
| Marbella, Spain | 2021/03/28 13:40 | Holger Rune v David Pichler | 6-1,6-3 |
| ITF - M15 Opatija | 2021/03/24 10:45 | Dambrosi, Giacomo v David Pichler | 3-6,6-1,6-2 |
| ITF - M15 Rovinj | 2021/03/19 12:05 | David Pichler v Martin Damm | 1-6,2-6 |
| ITF - M15 Rovinj | 2021/03/18 10:30 | David Pichler v Rondoni, Pietro | 6-4,6-2 |
| ITF - M15 Rovinj | 2021/03/17 10:40 | David Pichler v Dambrosi, Giacomo | 1-6,6-3,6-1 |
| Eastern European Championship | 2020/12/22 12:35 | Kijametovic, Aziz v Mannapov, Alexander | 6-4,6-3 |
| Eastern European Championship | 2020/12/21 11:00 | Kekez, Duje v Mannapov, Alexander | 7-5,6-1 |
| German Masters | 2020/08/28 15:40 | Cervantes, Inigo v Mannapov, Alexander | 6-3,6-4 |
| German Premier League | 2020/08/27 06:30 | Karlo Cubelic v Mannapov, Alexander | 6-1,6-2 |
| German Premier League | 2020/08/26 14:40 | Torebko, Peter v Mannapov, Alexander | 6-3,7-5 |
| German Masters | 2020/08/21 18:45 | Benjamin Lock v Mannapov, Alexander | 6-4,6-4 |
| German Masters | 2020/08/20 06:30 | Sanchez Martinez, Benito v Mannapov, Alexander | 6-4,4-6,6-0 |
| German Premier League | 2020/08/15 16:40 | Vlad Andrei Dancu v Mannapov, Alexander | 7-6,4-6,6-7 |