Round: 1
| Austrian Pro Series | 2020/05/30 11:20 | Dennis Novak v Alexander Erler | 7-6,5-7,6-2 |
| ITF M15 Heraklion | 2020/03/06 08:30 | Alexander Erler v Alexander Lebedev | 3-6,3-6 |
| ITF M15 Heraklion | 2020/03/05 10:20 | Alexander Erler v Ioannis Xilas | 7-6,6-4 |
| ITF M15 Heraklion | 2020/03/04 08:30 | Alexander Erler v Sean Hodkin | 6-2,6-1 |
| ITF M25 Trento | 2020/03/01 09:25 | Ruben Bemelmans v Alexander Erler | 4-6,6-2,6-4 |
| ITF M25 Trento | 2020/02/29 12:00 | Julian Ocleppo v Alexander Erler | 4-6,2-6 |
| ITF M25 Trento | 2020/02/28 11:55 | Raul Brancaccio v Alexander Erler | 1-6,7-6,1-6 |
| ITF M25 Trento | 2020/02/27 13:55 | Alexander Erler v Daniel Masur | 7-6,7-6 |
| Austrian Pro Series | 2020/05/29 09:30 | Tristan-Samuel Weissborn v Lukas Neumayer | 6-7,6-7 |
| Austria Bundesliga | 2019/09/07 15:00 | Tristan-Samuel Weissborn v Marco Mirnegg | 6-3,4-6,5-7 |
| Challenger Shenzhen Qual | 2018/03/11 01:30 | Andrea Vavassori v Tristan-Samuel Weissborn | 7-6,6-3 |
| Challenger Zhuhai Qual | 2018/03/03 04:15 | Yusuke Takahashi v Tristan-Samuel Weissborn | 7-6,4-6,6-3 |
| Challenger Brescia Qual | 2017/11/11 12:45 | Tristan-Samuel Weissborn v Giovanni Fonio | 6-7,0-6 |
| Challenger Bratislava Qual | 2017/11/04 15:15 | Tom Farquharson v Tristan-Samuel Weissborn | 6-3,6-0 |
| Challenger Anning Qual | 2017/04/23 03:20 | Soonwoo Kwon v Tristan-Samuel Weissborn | 6-7,2-6 |
| Challenger Anning Qual | 2017/04/22 06:10 | Tristan-Samuel Weissborn v Zhu Guo | 6-0,6-2 |