 Poland: Gdynia - Doubles - Main |
|---|
| Semi-finals | Kato M./Voracova R. | Danilina A./Marozava L. | 0:2 (4:6, 61:7) | details | 23.07.2021 |
| Quarter-finals | Kato M./Voracova R. | Fomina A./Mrdeza T. | 2:1 (6:4, 4:6, 10:1) | details | 22.07.2021 |
| 1/8-finals | Kato M./Voracova R. | Amanmuradova A./Melnikova M. | 2:1 (6:1, 3:6, 10:6) | details | 19.07.2021 |
 United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/32-finals | Bouzkova M./Hradecka L. | Kato M./Voracova R. | 2:0 (7:64, 6:2) | details | 02.07.2021 |
 Germany: Bad Homburg - Doubles - Main |
|---|
| 1/8-finals | Jurak Schreiber D./Klepac A. | Kato M./Voracova R. | 2:0 (6:4, 6:0) | details | 20.06.2021 |
| Germany: Berlin - Doubles - Main |
|---|
| Quarter-finals | Melichar-Martinez N./Schuurs D. | Kato M./Voracova R. | 2:0 (6:1, 6:3) | details | 16.06.2021 |
| 1/8-finals | Kato M./Voracova R. | Blinkova A./Kalashnikova O. | 2:1 (6:3, 4:6, 10:2) | details | 15.06.2021 |
 Croatia: Bol - Doubles - Main |
|---|
| 1/8-finals | Arruabarrena L./Errani S. | Kato M./Voracova R. | 2:0 (6:2, 6:2) | details | 08.06.2021 |
 France: French Open - Doubles - Main |
|---|
| 1/32-finals | Burel C./Paquet C. | Kato M./Voracova R. | 2:1 (5:7, 7:5, 7:5) | details | 02.06.2021 |
| France: Strasbourg - Doubles - Main |
|---|
| Quarter-finals | Heisen V./Melichar-Martinez N. | Kato M./Voracova R. | 2:0 (6:1, 6:3) | details | 26.05.2021 |
| 1/8-finals | Kato M./Voracova R. | Cascino E./Ponchet J. | 2:0 (6:3, 6:3) | details | 25.05.2021 |
 Serbia: Belgrade - Doubles - Main |
|---|
| Quarter-finals | Xu Y./Zhang S. | Kato M./Voracova R. | 2:0 (6:1, 7:67) | details | 21.05.2021 |
| 1/8-finals | Kato M./Voracova R. | Osorio C./Webley-Smith E. | 2:1 (62:7, 7:5, 10:5) | details | 18.05.2021 |
| 1/8-finals | Kato M./Voracova R. | Milovanovic E./Radanovic D. | CAN. | details | 18.05.2021 |
