TENNIS: Rafael Nadal through to last eight at China Open
Rafael Nadal took another step towards regaining the number one ranking with a hard-fought win over Philipp Kohlschreiber at the China Open today.
The 27-year-old Spaniard won 6-4, 7-6 to set up a quarter-final against Italy's Fabio Fognini in Beijing.
Nadal will replace Novak Djokovic as number one if he reaches the final, or the Serb fails to win the title.
Top seed Djokovic will play his third-round match against Spain's Fernando Verdasco on Thursday.
Fognini thrashed Lleyton Hewitt 6-0, 6-2 to reach the last eight, while eighth seed John Isner of the US beat Argentina's Roberto Bautista Agut 6-2, 6-7, 6-4.
In the women's draw, third seed Agnieszka Radwanska, fourth seed Li Na and ninth seed Petra Kvitova all won.
Radwanska took one hour and 15 minutes to beat 18-year-old American Madison Keys 6-3, 6-2, while Li Na impressed in front of her home crowd with a 7-5, 6-4 win over Wimbledon finalist Sabine Lisicki.
Li Na will face Petra Kvitova in the quarter-finals after the Czech beat Italian Sara Errani 6-4, 6-7, 6-3. It was Kvitova's 23rd three-set win of the year.
Germany's Andrea Petkovic, the world number 43, followed up her opening win against top seed Victoria Azarenka with a 4-6, 6-4, 6-1 victory over former US and French Open champion Svetlana Kuznetsova.
FOR MORE STORIES WATCH: