Stadium: Court 8 Round: 27 Ground: Hardcourt indoor
| ITF M25 Trier | 2021/08/28 15:00 | Tim Handel v Marvin Moeller | 7-5,2-6,6-2 |
| ITF M15 Heraklion | 2021/11/11 07:00 | Tim Handel v Kai Lemstra | 3-6,6-7 |
| ITF M15 Selva Gardena | 2021/10/29 14:00 | Leandro Riedi v Tim Handel | 4-6,6-3,6-4 |
| ITF M15 Selva Gardena | 2021/10/28 12:20 | Tim Handel v Giacomo Dambrosi | 7-6,4-6,6-3 |
| ITF M15 Selva Gardena | 2021/10/27 14:05 | Tim Handel v Luigi Sorrentino | 6-2,6-2 |
| ITF M15 Selva Gardena | 2021/10/25 13:05 | Tim Handel v Alessandro Ragazzi | 7-5,6-2 |
| ITF M25 Hamburg | 2021/10/20 12:30 | Elmar Ejupovic v Tim Handel | 6-4,4-6,7-6 |
| ITF M15 Sozopol | 2021/10/14 12:30 | Tim Handel v Nikolay Nedelchev | 3-6,6-7 |
| ITF M15 Sozopol | 2021/10/08 08:35 | Tim Handel v Alexander Donski | 3-6,6-3,2-6 |
| 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 Jonkoping | 2021/09/23 08:00 | Marvin Moeller v Viktor Durasovic | 7-5,3-6,4-6 |