Tennis: Kvitová reaches Australian Open quarterfinals

Petra Kvitová remains in contention for the Australian Open title and world number one ranking after beating Ana Ivanovic to reach the quarter-finals. The Czech second seed, who has a chance of replacing Caroline Wozniacki at the top of the rankings, won 6-2 7-6 (7-2) at Melbourne Park. Kvitová will next play China's Zheng Jie or Sara Errani of Italy.

Author: Jan Velinger