| | | | |
|  Belarus |  Slovakia | |
|
|
RANK 46 | Aliaksandra Sasnovich | 7-6(6) 7-5 | Jana Cepelova | RANK 114 |
RANK 63 | Aryna Sabalenka | 2-6 6-2 6-7(5) | Viktoria Kuzmova | RANK 121 |
RANK 63 | Aryna Sabalenka | 6-3 6-4 | Anna Karolina Schmiedlova | RANK 131 |
| Vera Lapko / Lidziya Marozava | 6-3 6-4 | Viktória Kuzmova / Anna Karolína Schmiedlova | |
| | | | |
| | | | |
|  Romania |  Switzerland | |
|
|
RANK 2 | Simona Halep | 6-3 1-6 6-1 | Viktorija Golubic | RANK 100 |
RANK 37 | Irina-Camelia Begu | 6-4 6-1 | Timea Bacsinszky | RANK 42 |
RANK 2 | Simona Halep | 6-2 6-1 | Patty Schnyder | RANK 151 |
RANK 37 | Irina-Camelia Begu | NOT PLAYED | Viktorija Golubic | RANK 100 |
| Mihaela Buzarnescu / Sorana Cirstea | 6-0 0-6 [6-10] | Viktorija Golubic / Jil Teichmann | |
| | | | |
| | | | |
|  Australia |  Netherlands | |
|
|
RANK 44 | Samantha Stosur | 5-7 6-7(1) | Lesley Pattinama Kerkhove | RANK 165 |
RANK 16 | Ashleigh Barty | 6-0 6-2 | Quirine Lemoine | RANK 277 |
RANK 16 | Ashleigh Barty | 6-4 6-2 | Lesley Pattinama Kerkhove | RANK 165 |
RANK 26 | Daria Saville | 6-3 6-2 | Quirine Lemoine | RANK 277 |
| Destanee Aiava / Daria Gavrilova | 6-3 6-2 | Lesley Kerkhove / Demi Schuurs | |
| | | | |
| | | | |
|  Italy |  Belgium | |
|
|
RANK 158 | Jasmine Paolini | 1-6 5-7 | Elise Mertens | RANK 20 |
RANK 142 | Sara Errani | 4-6 7-6(6) 2-6 | Alison Van Uytvanck | RANK 79 |
RANK 142 | Sara Errani | 3-6 1-6 | Elise Mertens | RANK 20 |
RANK 158 | Jasmine Paolini | NOT PLAYED | Alison Van Uytvanck | RANK 79 |
| Deborah Chiesa / Jasmine Paolini | 1-6 4-6 | Kirsten Flipkens / Elise Mertens | |
| | | | |