Fourth seed Naomi Osaka secured her place in the quarter-finals of the China Open with a confident straight-sets win over Alison Riske.
The Japan number one coasted past the American 6-4 6-0 and will go on to play Bianca Andreescu.
The US Open champion came through Thursday's late match 6-1 6-3 against American qualifier Jennifer Brady.
Another victory in Beijing extended the Canadian's winning streak to 16 straight matches, which includes her maiden Grand Slam success at Flushing Meadows.
Defending champion Caroline Wozniacki had earlier recorded a 7-5 6-4 victory over Czech Katerina Siniakova to take her place in the last eight.
Daria Kasatkina also progressed after a 6-4 6-3 win against fellow Russian Ekaterina Alexandrova and she will meet Wozniacki for a place in the semi-finals.