Stadium: Court 4 Round: 44 Ground: Clay
| ITF M25 Prague | 2020/09/14 09:00 | Stepan Pecak v Cervantes, Inigo | 4-6,0-6 |
| ITF M25 Prague | 2020/09/13 12:00 | Stepan Pecak v Janos Fekete | 6-2,6-4 |
| ITF - M15 Sharm El Sheikh | 2020/03/05 09:20 | Stepan Pecak v Uzhylovsky, Vladimir | 4-6,0-6 |
| ITF - M15 Sharm El Sheikh | 2020/02/23 09:00 | Stepan Pecak v Asrawy, Amr | 5-7,3-6 |
| ITF M15 Prague | 2019/11/06 10:30 | Lucas Miedler v Stepan Pecak | 6-2,6-1 |
| Liberec, Simples M-ITF-CZE-08A | 2019/10/21 10:00 | Stepan Pecak v Boerma, Pelle | 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 Jablonec Nad Nisou | 2020/09/20 12:00 | Brutscher, Tobias v Zukas, Matias | 2-6,1-6 |
| ITF M15 Alkmaar | 2020/08/26 11:25 | Mats Rosenkranz v Zukas, Matias | 6-2,6-3 |
| German Premier League | 2020/08/07 15:15 | Mannapov, Alexander v Zukas, Matias | 2-6,6-2,1-6 |
| German Premier League | 2020/08/06 09:20 | Quentin Folliot v Zukas, Matias | 2-6,0-6 |
| German Premier League | 2020/08/05 14:05 | Oscar Otte v Zukas, Matias | 7-5,6-2 |
| German Premier League | 2020/08/04 09:15 | Alexey Vatutin v Zukas, Matias | 6-1,6-2 |
| German Premier League | 2020/08/03 11:30 | Netuschil, Marvin v Zukas, Matias | 4-6,7-6,0-6 |
| Eastern European Championship | 2020/07/31 11:00 | Petrovic, Danilo v Zukas, Matias | 2-6,6-3,6-4 |