Stadium: Court 2 Round: 27 Ground: Carpet indoor
| Challenger Ismaning | 2018/10/13 18:00 | Alexander Erler v Elmar Ejupovic | 6-3,6-4 |
| ITF M25 Trimbach | 2021/03/10 11:45 | Elmar Ejupovic v Niklas Schell | 7-6,6-4 |
| Challenger Gran Canaria | 2021/02/22 12:20 | Manuel Guinard v Elmar Ejupovic | 6-4,6-4 |
| Challenger Gran Canaria | 2021/02/21 15:00 | Elmar Ejupovic v Sadio Doumbia | 7-6,6-3 |
| ITF M15 Grenoble | 2021/02/14 09:45 | Lucas Poullain v Elmar Ejupovic | 6-4,7-6 |
| ITF M15 Grenoble | 2021/02/13 10:00 | Elmar Ejupovic v Kyrian Jacquet | 3-6,7-5,7-6 |
| ITF M15 Grenoble | 2021/02/12 11:00 | Arthur Reymond v Elmar Ejupovic | 5-7,2-6 |
| ITF M15 Grenoble | 2021/02/11 12:05 | Elmar Ejupovic v Lucas Gerch | 6-4,6-1 |
| ITF M15 Grenoble | 2021/02/09 08:30 | Axel Garcian v Elmar Ejupovic | 6-3,3-6,4-6 |
| ITF M25 Trimbach | 2021/03/11 10:00 | Quentin Folliot v Alexander Erler | 4-6,3-6 |
| ITF M25 Trimbach | 2021/03/09 14:40 | Yannik Steinegger v Alexander Erler | 4-6,4-6 |
| ITF M15 Bratislava | 2021/03/03 09:00 | Jurgen Briand v Alexander Erler | 6-7,7-6,7-5 |
| ITF M15 Monastir | 2021/02/26 11:15 | Alexander Erler v Lilian Marmousez | 5-7,2-6 |
| ITF M15 Monastir | 2021/02/25 07:55 | Alexander Erler v Colin Sinclair | 7-6,5-7,6-1 |
| ITF M15 Monastir | 2021/02/23 11:10 | Alexander Erler v Ryota Tanuma | 6-4,6-4 |
| ITF M15 Monastir | 2021/02/20 09:55 | Gauthier Onclin v Alexander Erler | 6-3,7-5 |
| ITF M15 Monastir | 2021/02/19 10:25 | Alexander Erler v Jose Fco. Vidal Azorin | 6-4,4-6,6-4 |