Stadium: Court 14 Round: 25 Ground: Carpet indoor
| 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 Jonkoping | 2021/09/23 08:00 | Marvin Moeller v Viktor Durasovic | 7-5,3-6,4-6 |
| ITF M25 Jonkoping | 2021/09/22 09:45 | Marvin Moeller v Tibo Colson | 6-2,3-6,6-3 |
| ITF M25 Jonkoping | 2021/09/21 09:20 | Marvin Moeller v Harry Wendelken | 4-6,7-5,6-1 |
| ITF M25 Plaisir | 2021/09/16 07:55 | Vasil Kirkov v Marvin Moeller | 2-6,7-6,7-6 |
| ITF M25 Plaisir | 2021/09/14 10:50 | Lisandru Rodriguez v Marvin Moeller | 1-6,0-6 |
| ITF M25 Trier | 2021/08/28 15:00 | Tim Handel v Marvin Moeller | 7-5,2-6,6-2 |
| ITF M25 Sarreguemines | 2021/10/25 12:00 | Hendrik Jebens v Tom Schonenberg | 7-6,6-4 |
| ITF M25 Hamburg | 2021/10/17 15:55 | Buvaysar Gadamauri v Hendrik Jebens | 6-4,6-3 |
| ITF M25 Hamburg | 2021/10/17 09:45 | Tristan Reiff v Hendrik Jebens | 3-6,1-6 |
| ITF M25 Rodez | 2021/10/11 14:05 | Tristan Schoolkate v Hendrik Jebens | 6-3,6-1 |
| ITF M25 Rodez | 2021/10/11 07:55 | Simon Reveniau v Hendrik Jebens | 1-6,2-6 |
| ITF M25 Nevers | 2021/10/04 09:00 | Constantin Bittoun Kouzmine v Hendrik Jebens | 6-3,6-2 |
| ITF M25 Nevers | 2021/10/03 10:15 | Benjamin Ginefri v Hendrik Jebens | 4-6,2-6 |
| ITF M15 Forbach | 2021/09/29 11:00 | Hendrik Jebens v Marlon Vankan | 6-7,4-6 |