| date | Pair 1 | sets | Pair 2 | set 1 | set 2 | TB | 
| Tue 22.05.18 | Nicole Melichar / Kveta Peschke |  USA |  CZE | 1 | 2-1 | Nadia Podoroska / Anna Zaja |  ARG |  GER | O | 2-6 | 6-2 | [10-1] | 
| Tue 22.05.18 | Alona Fomina / Michaela Honcova |  UKR |  SVK | O | 2-0 | Varvara Lepchenko / Fanny Stollar |  USA |  HUN | G | 6-1 | 6-3 |   | 
| Tue 22.05.18 | Demi Schuurs / Katarina Srebotnik |  NED |  SLO | 3 | 2-0 | Jule Niemeier / Lara Schmidt |  GER |  GER | WC | 6-2 | 6-2 |   | 
| Sun 20.05.18 | Chantal Skamlova / Barbora Stefkova |  SVK |  CZE |   | 2-1 | Rika Fujiwara / Ipek Soylu |  JPN |  TUR | G | 6-2 | 4-6 | [10-7] | 
| Mon 21.05.18 | Darija Jurak / Cornelia Lister |  CRO |  SWE |   | 2-0 | Kaitlyn Christian / Sabrina Santamaria |  USA |  USA |   | 7-63 | 6-3 |   | 
| Tue 22.05.18 | Lesley Kerkhove / Lidziya Marozava |  NED |  BLR | 4 | 2-1 | Anastasiya Komardina / Mandy Minella |  RUS |  LUX |   | 6-2 | 3-6 | [10-7] | 
| Mon 21.05.18 | Katherina Gerlach / Lena Rueffer |  GER |    | WC | 2-1 | Nicola Geuer / Eva Wacanno |  GER |  NED |   | 6-3 | 5-7 | [10-4] | 
| Sun 20.05.18 | Kirsten Flipkens / Johanna Larsson |  BEL |  SWE | 2 | 2-0 | Chanel Simmonds / Julia Wachaczyk |  RSA |  GER | O | 6-4 | 6-1 |   |