Wozniacki 's aggression gave her a chance to serve out the first set at 5 - 3 .
It took Wozniacki 's 11 minutes to do so in a lengthy game , eventually Wozniacki 's her fourth set point as Niculescu hit a backhand into the net .
Wozniacki 's aggression gave her a chance to serve out the first set at 5 - 3 but it took her 11 minutes to do so in a lengthy game , eventually converting her fourth set point as Niculescu hit a backhand into the net .