Stadium: Hard Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2021/11/07 11:00 | Moritz Poswiat v Constantinos Papavasiliou | 7-5,6-1 |
| ITF M15 Ulcinj | 2021/09/19 08:00 | Moritz Poswiat v Joris Moret | 2-6,0-6 |
| ITF M25 Eupen | 2021/09/05 10:30 | Moritz Poswiat v Adrian Oetzbach | 0-6,3-6 |
| ITF M25 Koksijde | 2021/08/15 08:00 | Victor Ernaelsteen v Moritz Poswiat | 6-2,6-4 |
| ITF M15 Esch/Alzette | 2021/07/18 09:50 | Tim Heger v Moritz Poswiat | 7-6,4-6,11-9 |
| ITF M15 Quinta Do Lago | 2020/11/01 14:00 | Raphael Baltensperger v Moritz Poswiat | 7-6,6-0 |
| ITF M15 Alkmaar | 2020/08/23 11:00 | Moritz Poswiat v Egill Sigurdsson | 6-2,2-6,8-10 |
| 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 Prostejov | 2021/08/17 07:55 | Marek Gengel v Christopher Patzanovsky | 6-2,6-0 |
| ITF M25 Prostejov | 2021/08/16 09:40 | Christopher Patzanovsky v Vojtech Mares | 6-2,6-0 |