Defending champion Simona Halep has booked her place in the last eight of the French Open.
The third-seed breezed past Polish teenager Iga Swiatek in straight sets on Monday night.
The Romanian will now play 17-year-old Amanda Anisimova in the quarter-finals.
Elsewhere, American Madison Keys got the better of Katerina Siniakova in straight sets.
She now takes Australian eighth seed Ashleigh Barty in the last eight.