In a battle between a former World No.1 and a potential future World No.1, it was experience that won out over youth as Caroline Wozniacki edged Laura Robson in a tight two-setter.

Lucie Safarova surprised Sam Stosur to reach the quarterfinals of the Aegon International, where she will try to get some revenge on Jamie Hampton. Maria Kirilenko was also among the winners.

Kirsten Flipkens got past Michaella Krajiceck, while recent Nürnberg champ Simona Halep rolled past Roberta Vinci and into the 's-Hertogenbosch quarters.