A tennis player hits the ball.

Defending champion Jessica Pegula defeated No. 14 Diana Shnaider 6-4, 6-3 on Sunday to book a spot in Monday's title match against Amanda Anisimova at 6 p.m. ET in Toronto. Andrey Rublev will battle Alexei Popyrin for the men's title in Montreal at 7:30 p.m.