Saisai Zheng advanced to the quarterfinal stage of the WTA ZhengZhou Open after victory over world No. 176 Fangzhou Liu.
Despite losing the first set 2-6, Zheng battled back over the following two sets and emerged victorious winning the final two sets 6-4 6-0 to advance to the final eight.
Elsewhere, world No. 107 Yanina Wickmayer beat China's Xiyu Wang 6-3 6-1 and will face Minokoshi in the quarterfinal.
Danielle Lao cruised to victory over Japan's Eri Hozumi 6-3 6-3 to join Zheng in the final eight.
Also, Mai Minokoshi was beating Xiaodi You 7-5 4-1 before You retired in the second set.