Stadium: Court 1 Round: 25 Ground: Carpet indoor
| Challenger - Bratislava | 2021/11/08 09:30 | Dalibor Svrcina v Marvin Moeller | 7-6,2-6,6-1 |
| Challenger - Bratislava | 2021/11/07 09:30 | Marvin Moeller v Christopher Heyman | 7-6,6-4 |
| Challenger – Eckental | 2021/11/02 10:05 | Marvin Moeller v Mirza Basic | 2-6,5-7 |
| ITF M25 Sarreguemines | 2021/10/28 10:40 | Marvin Moeller v Hugo Voljacques | 0-6,2-6 |
| ITF M25 Sarreguemines | 2021/10/26 10:55 | Marvin Moeller v Hendrik Jebens | 6-4,6-4 |
| ITF M25 Hamburg | 2021/10/19 08:00 | Tim Sandkaulen v Marvin Moeller | 6-4,7-5 |
| ITF M25 Falun | 2021/09/28 10:55 | Leopold Zima v Marvin Moeller | 6-3,6-3 |
| ITF M25 Jönköping | 2021/09/23 08:00 | Marvin Moeller v Viktor Durasovic | 7-5,3-6,4-6 |
| ITF M15 Opava | 2021/11/15 09:00 | Lukas Velik v Dominik Kellovsky | 6-3,1-6,3-10 |
| ITF M15 Opava | 2021/11/14 12:30 | Patrik Jancovic v Dominik Kellovsky | 1-6,1-6 |
| ITF M15 Pärnu | 2021/10/27 08:25 | Ben Jones v Dominik Kellovsky | 6-3,7-5 |
| ITF M25 Hamburg | 2021/10/19 09:55 | Dominik Kellovsky v Rudolf Molleker | 4-6,6-7 |
| ITF M25 Hamburg | 2021/10/17 16:00 | Adrian Obert v Dominik Kellovsky | 4-6,1-6 |
| ITF M25 Hamburg | 2021/10/17 09:00 | Noel Larwig v Dominik Kellovsky | 2-6,2-6 |
| ITF M25 Praha | 2021/10/06 10:15 | Dominik Kellovsky v Milos Karol | 5-7,4-6 |
| ITF M25 Praha | 2021/10/04 09:35 | Dominik Kellovsky v Sizya Ernest Kivanda | 6-3,7-5 |