Italy: Sardinia - Doubles - Main |
| Quarter-finals | Sitak A./Zelenay I. | Daniell M./Oswald P. | 0:2 (3:6, 63:7) | details | 14.10.2020 |
| 1/8-finals | Sitak A./Zelenay I. | Andujar P./Cuevas P. | WO. | details | 13.10.2020 |
Italy: Parma - Doubles - Main |
| 1/8-finals | Arevalo M./Brkic T. | Sitak A./Zelenay I. | 2:0 (7:65, 6:4) | details | 07.10.2020 |
France: French Open - Doubles - Main |
| 1/32-finals | Sitak A./Zelenay I. | Coria F./Schwartzman D. | 1:2 (64:7, 6:3, 4:6) | details | 29.09.2020 |
Czech Republic: Ostrava - Doubles - Main |
| Final | Sitak A./Zelenay I. | Drzewiecki K./Walkow S. | 2:0 (7:5, 6:4) | details | 05.09.2020 |
| Semi-finals | Sitak A./Zelenay I. | Arends S./Pel D. | 2:1 (7:64, 1:6, 10:8) | details | 04.09.2020 |
| Quarter-finals | Sitak A./Zelenay I. | Kolar Z./Rosol L. | 2:1 (6:3, 65:7, 10:7) | details | 03.09.2020 |
| 1/8-finals | Sitak A./Zelenay I. | Paulson A./Svrcina D. | 2:0 (6:4, 6:2) | details | 02.09.2020 |
Czech Republic: Prague 3 - Doubles - Main |
| 1/8-finals | Hach Verdugo H./Vega Hernandez D. | Sitak A./Zelenay I. | 2:0 (7:64, 6:4) | details | 26.08.2020 |
Czech Republic: Prague - Doubles - Main |
| 1/8-finals | Ivashka I./Nagal S. | Sitak A./Zelenay I. | 2:1 (3:6, 6:3, 10:8) | details | 19.08.2020 |