Stadium: Court 1 Round: 54 Ground: Clay
| ITF M25 Prostejov | 2021/08/15 09:00 | Christopher Patzanovsky v Peter Samosi | 6-0,6-1 |
| ITF M15 Frederiksberg | 2021/08/02 08:50 | Adam Heinonen v Christopher Patzanovsky | 3-6,4-6 |
| ITF M25 Marburg | 2021/07/05 13:05 | Milan Welte v Christopher Patzanovsky | 6-1,6-3 |
| ITF M15 Troisdorf | 2021/05/10 09:30 | Glenn Smits v Christopher Patzanovsky | 6-3,5-7,10-4 |
| ITF M15 Troisdorf | 2021/05/09 10:00 | Christopher Patzanovsky v Noah Thurner | 6-0,6-3 |
| ITF M25 Meerbusch | 2021/04/12 09:00 | Johann Lars v Christopher Patzanovsky | 6-4,4-6,10-8 |
| ITF M15 Antalya | 2021/03/22 07:00 | Christopher Patzanovsky v Max Alcala Gurri | 1-6,0-6 |
| ITF M15 Antalya | 2021/03/21 09:00 | Christopher Patzanovsky v S Mert Ozdemir | 6-4,7-6 |
| ITF M25 Most | 2021/05/24 08:00 | Petr Cervinka v Vojtech Mares | 3-6,6-0,11-9 |
| ITF M25 Most | 2021/05/23 08:00 | Kris Krawcewicz v Vojtech Mares | 4-6,5-7 |
| ITF M25 Jablonec Nad Nisou | 2021/05/17 07:30 | Vojtech Mares v Gianluca Coloma-Heck | 6-2,4-6,4-10 |
| ITF M25 Jablonec Nad Nisou | 2021/05/16 08:30 | Jiri Krouzek v Vojtech Mares | 4-6,5-7 |
| ITF M15 Antalya | 2021/04/26 07:00 | Denis Klok v Vojtech Mares | 6-3,6-2 |
| ITF M15 Antalya | 2021/04/25 07:00 | Flemming Peters v Vojtech Mares | 3-6,3-6 |
| ITF M15 Prague | 2019/11/05 09:00 | Oleksii Krutykh v Vojtech Mares | 6-2,6-1 |
| ITF M15 Prague | 2019/11/04 10:00 | Vojtech Mares v Jiri Jenicek | 0-6,7-6,10-7 |