MARSEILLE, France (AP) Top-seeded Stan Wawrinka lost to eighth-seeded Benoit Paire of France 6-4, 1-6, 7-5 in the quarterfinals of the Open 13 on Friday.
Paire had 12 aces against the 2014 Australian Open champion, and next meets fourth-seeded Marin Cilic, who reached his first semifinal of the season by beating Russian Andrey Kuznetsov 6-3, 6-4.
Second-seeded Tomas Berdych also reached the last four, beating No. 6 David Goffin of Belgium 6-3, 6-4.
The Czech player faces unseeded Nick Kyrgios in the last four after the Australian swept aside No. 3 Richard Gasquet of France 6-0, 6-4.
The big-serving Kyrgios had 17 aces and did not concede a single break-point chance on his serve, hitting three aces in his final service game.