
Having watched compatriot Li Na's historic Australian Open triumph "more than 10 times", an inspired Zheng Qinwen has fought her way into the fourth round for the first time.
Zheng, the 12th seed, outlasted Wang Yafan in an epic all-Chinese battle on Rod Laver Arena on Saturday, winning 6-4 2-6 7-6 (10-8) after an 83-minute match tiebreaker.