Muchova stuns top seed Aryna Sabalenka to reach China Open semifinals

The 49th-ranked Czech Karolina Muchova stunned top seed Aryna Sabalenka in three sets to reach the China Open semifinals on Friday. Muchova won 7-6 , 2-6, 6-4 and faces China's Olympic champion Zheng Qinwen for a place in the final.