 Portugal: W25+H Figueira Da Foz - Doubles - Main |
|---|
| 1/8-finals | Haverlag I./Jorge F. | Koval V./Lansere S. | 2:0 (6:3, 6:2) | details | 16.06.2021 |
 Russia: W25 Kazan 2 - Doubles - Main |
|---|
| Quarter-finals | Kazionova E./Tikhonova A. | Koval V./Lansere S. | 2:1 (7:5, 3:6, 10:6) | details | 03.06.2021 |
| 1/8-finals | Grigoreva A./Morozova E. | Koval V./Lansere S. | 0:2 (4:6, 4:6) | details | 01.06.2021 |
 Spain: W25 Platja D'Aro - Doubles - Main |
|---|
| Quarter-finals | Koval V./Lansere S. | Eala A./Selekhmeteva O. | 1:2 (3:6, 6:2, 10:12) | details | 20.05.2021 |
| 1/8-finals | Koval V./Lansere S. | Darley C./Mayorova Bakhtina C. | 2:0 (6:0, 6:3) | details | 18.05.2021 |
| Russia: W25 Kazan - Doubles - Main |
|---|
| Quarter-finals | Koval V./Lansere S. | Hatouka Y./Tikhonova A. | 1:2 (6:3, 3:6, 8:10) | details | 10.03.2021 |
| 1/8-finals | Koval V./Lansere S. | Grigoreva A./Shakirova D. | 2:0 (6:0, 6:2) | details | 09.03.2021 |
 Slovakia: W25 Trnava 2 - Doubles - Main |
|---|
| Quarter-finals | Koval V./Lansere S. | Markova J./Radisic N. | 0:2 (62:7, 4:6) | details | 13.02.2020 |
| 1/8-finals | Koval V./Lansere S. | Hatouka Y./Kubareva A. | 2:0 (6:1, 6:2) | details | 11.02.2020 |
| Slovakia: W25 Trnava - Doubles - Main |
|---|
| Quarter-finals | Koval V./Lansere S. | Kan V./Poznikhirenko G. | 0:2 (63:7, 3:6) | details | 06.02.2020 |
| 1/8-finals | Koval V./Lansere S. | Ignatik A./Skamlova C. | 2:1 (7:5, 5:7, 10:6) | details | 04.02.2020 |
