Stadium: Court 6 Round: 25 Ground: Clay
| ITF - M15 Šibenik | 2021/04/20 10:30 | Gorazd Srbljak v Alexis Boureau | 4-6,6-3,10-6 |
| ITF - M15 Šibenik | 2021/04/19 12:20 | Gorazd Srbljak v Martin Zeljenka | 6-0,6-2 |
| ITF - M15 Šibenik | 2021/04/18 10:00 | Gorazd Srbljak v Filip Maric | 6-0,6-1 |
| ITF - M15 Opatija | 2021/03/21 08:00 | Marco Furlanetto v Gorazd Srbljak | 7-6,4-6,12-10 |
| ITF - M15 Rovinj | 2021/03/15 14:10 | Damien Wenger v Gorazd Srbljak | 6-2,6-2 |
| ITF - M15 Rovinj | 2021/03/15 08:00 | Peter Goldsteiner v Gorazd Srbljak | 3-6,4-6 |
| ITF - M15 - Antalya | 2021/02/28 08:00 | Giuseppe Tresca v Gorazd Srbljak | 7-6,7-6 |
| Majstrovstvá Východnej Európy | 2020/12/29 12:05 | Gorazd Srbljak v Paul Valsecchi | 6-3,6-1 |
| 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 |
| ITF - M25 Biel | 2021/03/29 08:00 | Alexander Erler v Mischa Lanz | 6-3,6-4 |
| Challenger - Lugano | 2021/03/21 11:50 | Tim Van Rijthoven v Alexander Erler | 7-6,6-0 |