Stadium: Court 8 Round: 25 Ground: Clay
| ITF M15 Frederiksberg | 2021/08/02 08:50 | Adam Heinonen v Patzanovsky, Christopher | 3-6,4-6 |
| ITF M25 Marburg | 2021/07/05 13:05 | Milan Welte v Patzanovsky, Christopher | 6-1,6-3 |
| ITF M15 Troisdorf | 2021/05/10 09:30 | Smits, Glenn v Patzanovsky, Christopher | 6-3,5-7,10-4 |
| ITF M15 Troisdorf | 2021/05/09 10:00 | Patzanovsky, Christopher v Noah Thurner | 6-0,6-3 |
| ITF M25 Meerbusch | 2021/04/12 09:00 | Johann, Lars v Patzanovsky, Christopher | 6-4,4-6,10-8 |
| ITF - M15 Antalya | 2021/03/22 07:00 | Patzanovsky, Christopher v Max Alcala Gurri | 1-6,0-6 |
| ITF - M15 Antalya | 2021/03/21 09:00 | Patzanovsky, Christopher v S Mert Ozdemir | 6-4,7-6 |
| ITF M15 Anif | 2020/08/23 12:00 | Emesz, Benedikt v Patzanovsky, Christopher | 3-6,7-5,11-9 |
| ITF M15 Vejle | 2021/07/31 07:50 | Ergi Kirkin v Zukas, Matias | 6-1,6-4 |
| ITF M15 Vejle | 2021/07/29 08:00 | Zukas, Matias v Sandro Kopp | 6-3,6-1 |
| ITF M15 Vejle | 2021/07/27 09:15 | Zukas, Matias v Bergevi, Filip | 6-2,6-2 |
| ITF M25 Velenje | 2021/07/08 08:00 | Alexander Shevchenko v Zukas, Matias | 6-2,6-1 |
| ITF M25 Velenje | 2021/07/07 08:00 | Kocevar-Desman, Tom v Zukas, Matias | 5-7,0-6 |
| ITF - M15 Antalya | 2021/06/29 06:30 | Billy Harris v Zukas, Matias | 3-6,6-3,6-4 |
| ITF - M15 Antalya | 2021/06/24 07:00 | Francisco Comesana v Zukas, Matias | 6-0,6-2 |
| ITF - M15 Antalya | 2021/06/23 09:55 | Patrik Rikl v Zukas, Matias | 6-0,4-6,1-6 |