Serena Williams has advanced to the third round of the Rogers Cup in Toronto, beating Elise Mertens 6-3, 6-3.
It’s her first match since losing the Wimbledon final last month.
The three-time champion will face Russian qualifier Ekaterina Alexandrova next.
Elsewhere, second seed Naomi Osaka advanced to the last-16 after her opponent Tatjana Maria retired due to injury.
Third seed Karolina Pliskova and Wimbledon champion Simona Halep are also through to the next round, but Caroline Wozniacki and Victoria Azarenka have crashed out.

UAE Team Emirates rider achieves third on Itzulia Basque Country opening day
Pogacar wins third Flanders crown but faces fine for running red light
Thuram and Martinez star as Inter dismantle Roma
Silva to exit Man City at end of season, assistant manager confirms
Penalty heroics help Leeds beat West Ham to reach FA Cup semis
