Sydney, Australia (SportsNetwork.com) - American Madison Keys grabbed a first- round victory on Sunday in a rainy start to the Apia International Sydney tournament.

Keys recorded a 6-4, 6-4 victory over Russian Svetlana Kuznetsova, while Russian Daria Gavrilova notched a 6-3, 6-0 victory over Swiss Belinda Bencic.

Rain postponed the final two matches on Sunday in this warmup for the Australian Open.