Stadium: Court 5 Round: 26 Ground: Clay
| Challenger Parma MD | 2020/10/07 09:00 | Arevalo/Brkic v Sitak/Zelenay | 7-6,6-4 |
| French Open MD | 2020/09/29 09:00 | Sitak/Zelenay v Coria/Schwartzman | 6-7,6-3,4-6 |
| Challenger Ostrava MD | 2020/09/05 12:15 | Sitak/Zelenay v Drzewiecki/Walkow | 7-5,6-4 |
| Challenger Ostrava MD | 2020/09/04 10:00 | Sitak/Zelenay v Arends/Pel | 7-6,1-6,10-8 |
| Challenger Ostrava MD | 2020/09/03 14:00 | Sitak/Zelenay v Kolar/Rosol | 6-3,6-7,10-7 |
| Challenger Ostrava MD | 2020/09/02 15:20 | Sitak/Zelenay v Paulson/Svrcina | 6-4,6-2 |
| Challenger Prague 2 MD | 2020/08/26 11:30 | Verdugo/Vega Hernandez v Sitak/Zelenay | 7-6,6-4 |
| Challenger Prague MD | 2020/08/19 16:25 | Ivashka/Nagal v Sitak/Zelenay | 3-6,6-3,10-8 |