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 given a severe test 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 Kiki Bertens in the last four on Friday, after the unseeded Dutch player saw off Swiss eighth seed Timea Bacsinszky 7-5 6-2.
Djokovic will face Austrian 13th seed Dominic Thiem, who beat Belgian 12th seed David Goffin 4-6 7-6 (9-7) 6-4 6-1 to reach his first Grand Slam semi-final.
Britain's Andy Murray will take on Stan Wawrinka of Switzerland in the other men's semi-final, foreign media reports.