Eighth-seeded Leylah Fernandez of Canada survived a first-round challenge from Aliaksandra Sasnovich at the Toray Pan Pacific Open on Monday in Tokyo.

The Pan Pacific Open in Tokyo is the last WTA 500 event of the season. The tournament has been hit with a spate of withdrawals, but that has opened up an opportunity for the lower-ranked players to reach the deep end of the draw.

TOKYO — Canada's Bianca Andreescu and Leylah Fernandez earned first-round victories at the Toray Pan Pacific Open on Monday. Andreescu, from Mississauga, Ont.