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 Jing L Weng | 6-2,6-1 |
| ITF M25 Meerbusch | 2021/04/11 14:30 | David Pichler v Nikolas Walterscheid-Tukic | 6-1,6-1 |
| Challenger Marbella | 2021/03/28 13:40 | Holger Rune v David Pichler | 6-1,6-3 |
| ITF M15 Opatija | 2021/03/24 10:45 | Giacomo Dambrosi 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 Pietro Rondoni | 6-4,6-2 |
| ITF M15 Rovinj | 2021/03/17 10:40 | David Pichler v Giacomo Dambrosi | 1-6,6-3,6-1 |
| 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 |
| German Premier League | 2020/08/15 16:40 | Vlad Andrei Dancu v Alexander Mannapov | 7-6,4-6,6-7 |