Block B
| Michal Kloiber
 7
                    beat Stanislav Vorel 4 | 31 Aug 2021 | 
| Jan Kral
 7
                    beat Lukas Svoboda 4 | 31 Aug 2021 | 
| Michal Kloiber
 7
                    beat Alena Pazdorova 2 | 31 Aug 2021 | 
| Lukas Svoboda
 7
                    beat Stanislav Vorel 4 | 31 Aug 2021 | 
| Jan Kral
 7
                    beat Alena Pazdorova 3 | 31 Aug 2021 | 
| Lukas Svoboda
 7
                    beat Michal Kloiber 4 | 31 Aug 2021 | 
| Stanislav Vorel
 7
                    beat Alena Pazdorova 3 | 31 Aug 2021 | 
| Michal Kloiber
 7
                    beat Jan Kral 6 | 31 Aug 2021 | 
| Lukas Svoboda
 7
                    beat Alena Pazdorova 4 | 31 Aug 2021 | 
| Jan Kral
 7
                    beat Stanislav Vorel 4 | 31 Aug 2021 |