Top seeds Novak Djokovic and Serena Williams remain on course to make history as they both reached the semi-finals at the French Open.
Djokovic, 29, swept past seventh seed Tomas Berdych 6-3 7-5 6-3 as he bids to win his first title at Roland Garros and complete the career Grand Slam.
Williams, 34, was pushed hard by Kazakhstan's Yulia Putintseva, coming through 5-7 6-4 6-1.
The American is trying to win her 22nd Grand Slam title and equal Steffi Graf.
She will play unseeded Kiki Bertens or Swiss eighth seed Timea Bacsinszky in the last four on Friday.