Zheng was 2-6, 6-3, 2-0 up when Pennetta had to retire due to an injury.
Zheng dismissed Svetlana Kuznetsova in the semifinals, winning 2-6 6-3 6-3. It was her first win over Kuznetsova and now the head to head stands at 1-6 in the Russian’s favour.
The Chinese reached two semifinals at Grand Slam tournaments, but then had to take a break due to a wrist injury. Now after a little struggle she seems to be back.
Italian Pennetta made her way to the final as she overcame German’s Angelique Kerber.