Andy Murray fought off two late match points and edged John Isner, 7-6 (3), 6-4, 7-6 (2) to reach the quarterfinals of the Western & Southern Open on Thursday.
Stan Wawrinka shook off losing the first set to roll through the next two and advance with a 3-6, 6-0, 6-1 win over Marin Cilic. Wawrinka, the Australian Open champion, will meet unseeded Julien Benneteau in the quarterfinals. Benneteau eliminated Jerzy Janowicz, 7-5, 6-1. Fabio Fognini also needed three sets to get past Yen-Hsun Lu, 3-6, 6-3, 6-3.
In women's play, top-seeded Serena Williams continued her pursuit of her first title in this tournament with a 6-2, 6-2 win over Flavia Pennetta. Simona Halep also reached the quarterfinals with a 6-4, 7-5 win over Lucie Safarova.