Stadium: Hard Court 6 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/11/09 07:00 | Kai Lemstra v Christopher Patzanovsky | 6-2,6-4 |
| ITF M15 Heraklion | 2021/11/08 09:00 | Moritz Poswiat v Christopher Patzanovsky | 5-7,6-1,8-10 |
| ITF M15 Heraklion | 2021/11/07 11:00 | Paulo Knippling v Christopher Patzanovsky | 2-6,2-6 |
| ITF M25 Hamburg | 2021/10/17 11:30 | Yannik Steinegger v Christopher Patzanovsky | 6-3,7-6 |
| ITF M25 Budapest | 2021/09/28 09:40 | Buvaysar Gadamauri v Christopher Patzanovsky | 6-1,6-2 |
| ITF M25 Budapest | 2021/09/27 10:25 | Christopher Patzanovsky v Zalan Sandor Savay | 6-3,6-1 |
| ITF M25 Pardubice | 2021/09/20 09:00 | Christopher Patzanovsky v Stefanos Sakellaridis | 6-4,1-6,7-10 |
| ITF M25 Trier | 2021/08/23 08:00 | Fred Olivier Schommer v Christopher Patzanovsky | 7-5,0-6,10-6 |
| ITF M25 Saint Dizier | 2021/11/03 09:00 | Tak Khunn Wang v Leopold Zima | 7-6,6-0 |
| ITF M25 Saint Dizier | 2021/11/01 15:05 | Leopold Zima v Tibo Colson | 7-5,6-2 |
| ITF M15 Selva Gardena | 2021/10/26 09:20 | Leopold Zima v Mattia Bellucci | 4-6,6-7 |
| ITF M15 Selva Gardena | 2021/10/25 10:05 | Leopold Zima v Simone Vaccari | 7-5,6-4 |
| ITF M15 Selva Gardena | 2021/10/24 16:05 | Leopold Zima v Lorenzo Favero | 6-0,6-0 |
| ITF M25 Prague | 2021/10/06 15:20 | David Poljak v Leopold Zima | 6-4,6-1 |
| ITF M25 Falun | 2021/09/29 15:20 | Vasil Kirkov v Leopold Zima | 6-4,6-4 |
| ITF M25 Falun | 2021/09/28 10:55 | Leopold Zima v Marvin Moeller | 6-3,6-3 |