Stadium: Court 1 Round: 27 Ground: Clay
| ITF Switzerland F4 | 2018/08/31 13:30 | Peter Heller v Elmar Ejupovic | 6-2,3-6,6-1 |
| ITF M25 Meerbusch | 2021/04/15 11:55 | Elmar Ejupovic v Niels Visker | 6-2,6-3 |
| ITF M25 Meerbusch | 2021/04/14 14:35 | Rudolf Molleker v Elmar Ejupovic | 6-7,6-4,3-6 |
| ITF M25 Trimbach | 2021/03/14 09:55 | Gijs Brouwer v Elmar Ejupovic | 7-5,6-0 |
| ITF M25 Trimbach | 2021/03/13 11:00 | Elmar Ejupovic v Matteo Martineau | 4-6,7-6,6-3 |
| ITF M25 Trimbach | 2021/03/12 09:55 | Elmar Ejupovic v Alexander Erler | 7-6,6-7,6-3 |
| 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 M25 Meerbusch | 2021/04/15 10:00 | Tak Khunn Wang v Peter Heller | 1-6,3-6 |
| ITF M25 Meerbusch | 2021/04/13 16:40 | Peter Heller v Viktor Durasovic | 6-3,6-4 |
| ITF M15 Antalya | 2021/03/20 07:30 | Peter Heller v Matheus Pucinelli De Almeida | 4-6,6-7 |
| ITF M15 Antalya | 2021/03/19 07:30 | Nicholas David Ionel v Peter Heller | 3-6,0-6 |
| ITF M15 Antalya | 2021/03/18 07:00 | Peter Fajta v Peter Heller | 3-6,0-6 |
| ITF M15 Antalya | 2021/03/17 07:30 | Hamad Medjedovic v Peter Heller | 3-6,6-7 |
| ITF M15 Antalya | 2021/03/13 07:30 | Peter Heller v Miljan Zekic | 6-7,6-7 |
| ITF M15 Antalya | 2021/03/11 07:00 | Oleksii Krutykh v Peter Heller | 3-6,0-6 |