Home favourite Li Na has reached the quarter-finals of the China Open after defeating Wimbledon finalist Sabine Lisicki.
The world number five drew a mexican wave from the Beijing crowd as she won in straight sets
to set up a clash with the Czech Petra Kvitova in the next round.
Elsewhere, Agnieszka Radwanska powered her way through to the last 16 with a convincing victory over American teenager Madison Keys.
Andrea Petkovic continued her stunning form at the tournament by dumping out former Roland Garros winner Svetlana Kuznetsova 4-6 6-4 6-1 in her second-round match.
The victory for the German, who is ranked 43 in the world, follows her stunning first-round defeat of second seed and current Beijing champion Victoria Azarenka.