Australian Open champion Madison Keys, seeded sixth, beat fellow American Caty McNally 2-6, 6-3, 6-3 and will next meet Karolina Muchova, a 6-7 (2/7), 6-2, 6-3 winner over Belinda Bencic.Fifth-seeded American Amanda Anisimova,

Jessica Pegula, the two-time defending champion at the National Bank Open, was upset 3-6, 6-4, 6-1 by Anastasija Sevastova, while Naomi Osaka cruised into the fourth round.

Anastasija Sevastova saved nine of 13 break points on Friday while recording a 3-6, 6-4, 6-1 victory over two-time defending champion Jessica Pegula in the third round of the National Bank Open in Montreal on Friday.