Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| ITF M15 Opava | 2021/11/14 11:00 | Dominik Recek v Radovan Michalik | 6-4,6-1 |
| ITF M15 Antalya | 2021/11/03 06:00 | Matias P D L Gomila v Radovan Michalik | 6-4,6-3 |
| ITF M15 Antalya | 2021/11/02 08:30 | Radovan Michalik v Nikita Alosha | 6-1,6-4 |
| ITF M15 Antalya | 2021/10/31 07:00 | Radovan Michalik v Sergei Lysov | 6-2,7-6 |
| ITF M15 Antalya | 2021/10/24 07:00 | Radovan Michalik v Ezequiel Simonit | 2-6,3-6 |
| ITF M15 Antalya | 2021/10/19 09:00 | Radovan Michalik v Giuseppe La Vela | 0-6,7-6,7-10 |
| ITF M15 Antalya | 2021/10/18 12:45 | Denis Klok v Radovan Michalik | 1-6,0-6 |
| ITF M15 Antalya | 2021/10/17 07:00 | Radovan Michalik v Adrian Mateo Bejenaru | 6-4,5-7,10-8 |
| ITF M15 Heraklion | 2021/11/14 11:00 | Christopher Patzanovsky v Leopold Zima | 3-6,3-6 |
| 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 |