World No. 4 Feng Tianwei won an all-Singaporean game to reach the women's singles quarterfinals at the world table tennis championships on Friday.

Feng, who led Singapore to the world team title in 2010 and runners-up to China in 2012, beat 16th-ranked Yu Mengyu 11-9, 11-9, 9-11, 12-10, 11-9.

The 29-year-old former Chinese faces the winner of China's Mu Zi and Sweden's Matilda Ekholm Friday night.

China's world No. 6 Zhu Yuling subdued 27th-ranked Li Jie from the Netherlands, 11-5, 11-3, 11-6, 11-2.