Stadium: Court 4 Round: 44 Ground: Clay
| ITF M15 Sharm El Sheikh | 2020/03/05 09:20 | Stepan Pecak v Volodymyr Uzhylovskyi | 4-6,0-6 |
| ITF M15 Sharm El Sheikh | 2020/02/23 09:00 | Stepan Pecak v Amr Asrawy | 5-7,3-6 |
| ITF M15 Prague | 2019/11/06 10:30 | Lucas Miedler v Stepan Pecak | 6-2,6-1 |
| ITF M15 Liberec | 2019/10/21 10:00 | Stepan Pecak v Pelle Boerma | 7-6,3-6,11-13 |
| ITF M15 Sharm El Sheikh | 2019/10/13 08:00 | Stepan Pecak v Pietro Mugelli | 4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2019/10/06 12:30 | Stepan Pecak v Andrea Fiorentini | 1-6,5-7 |
| ITF M25 Ricany | 2019/09/23 10:30 | Stepan Pecak v Jiri Barnat | 4-6,6-7 |
| ITF M25 Ricany | 2019/09/22 11:30 | Tim Hofmann v Stepan Pecak | 4-6,4-6 |
| ITF M15 Alkmaar | 2020/08/26 11:25 | Mats Rosenkranz v Matias Zukas | 6-2,6-3 |
| German Premier League | 2020/08/07 15:15 | Alexander Mannapov v Matias Zukas | 2-6,6-2,1-6 |
| German Premier League | 2020/08/06 09:20 | Quentin Folliot v Matias Zukas | 2-6,0-6 |
| German Premier League | 2020/08/05 14:05 | Oscar Otte v Matias Zukas | 7-5,6-2 |
| German Premier League | 2020/08/04 09:15 | Alexey Vatutin v Matias Zukas | 6-1,6-2 |
| German Premier League | 2020/08/03 11:30 | Marvin Netuschil v Matias Zukas | 4-6,7-6,0-6 |
| Eastern European Championship | 2020/07/31 11:00 | Danilo Petrovic v Matias Zukas | 2-6,6-3,6-4 |
| Eastern European Championship | 2020/07/29 08:00 | Matias Zukas v Dusan Rajic | 6-3,6-4 |