Stadium: Court 4 Round: 27 Ground: Clay
| ITF M25 Vogau | 2020/08/17 11:30 | Alexander Erler v Sebastian Prechtel | 6-4,4-6,10-8 |
| ITF Austria F2 | 2016/07/11 11:40 | Sebastian Prechtel v Alexander Erler | 6-4,6-1 |
| ITF M15 Šibenik | 2021/04/22 08:00 | Kyrian Jacquet v Sebastian Prechtel | 1-6,6-2,3-6 |
| ITF M15 Šibenik | 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 M25 Meerbusch | 2021/04/11 14:30 | Nico Hornitschek v Sebastian Prechtel | 2-6,2-6 |
| ITF M15 Opatija | 2021/03/25 09:00 | Sebastian Prechtel v Oleksandr Ovcharenko | 4-6,2-6 |
| ITF M15 Opatija | 2021/03/23 12:30 | Alexandar Lazarov v Sebastian Prechtel | 6-7,4-6 |
| ITF M15 Šibenik | 2021/04/22 10:15 | Marco Miceli v Alexander Erler | 1-6,4-6 |
| ITF M15 Šibenik | 2021/04/21 13:20 | Gorazd Srbljak v Alexander Erler | 1-6,2-6 |
| ITF M25 Meerbusch | 2021/04/18 11:30 | Alexander Erler v Arthur Cazaux | 6-2,4-6,7-5 |
| ITF M25 Meerbusch | 2021/04/17 12:55 | Elmar Ejupovic v Alexander Erler | 3-6,4-6 |
| ITF M25 Meerbusch | 2021/04/16 09:00 | Milan Welte v Alexander Erler | 1-6,4-6 |
| ITF M25 Meerbusch | 2021/04/15 10:00 | Alexander Erler v Yannick Mertens | 6-3,3-6,6-1 |
| ITF M25 Meerbusch | 2021/04/14 10:30 | Alexander Erler v Marvin Netuschil | 6-3,6-2 |
| ITF M25 Biel | 2021/03/30 08:00 | Alexander Erler v Kilian Feldbausch | 4-6,6-3,5-10 |