Defending Champion Petra Kvitova wiped the floor, the Japanese has no answer as Petra roars back to break her.
Day 4 Results
| Lisicki - McHale2-6, 7-5, 6-1 |
| Kvitová - Nara6-2, 6-0 |
| Wozniacki - Allertová6-1, 7-6 |
| Giorgi - Arruabarrena6-0, 7-6 |
| Muguruza - Lucic-Baroni6-3, 4-6, 6-2 |
| Kerber - Pavlyuchenkova7-5, 6-2 |
| Bacsinszky - Soler6-2, 6-1 |
| Plí¹ková - Kuznetsova3-6, 6-3, 6-4 |
| Niculescu - Cepelová6-3, 6-3 |
| Rybáriková - Makarova6-2, 7-5 |
| Govortsova - Cornet7-6, 2-6, 6-1 |
| Keys - Kulichkova6-4, 7-6 |
| Maria - Duan1-6, 6-2, 10-8 |
| Radwanska - Tomljanovic6-0, 6-2 |
| Dellacqua - Svitolina7-6, 6-3 |
| Jankovic - Rodina6-7, 6-1, 6-3 |
