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.

Former Arsenal, Juventus goalkeeper Manninger dies in road accident
French Open prize money increases, retiring players to be honoured
David Beckham: Inter Miami not rushing to replace head coach
Bayern late show sinks Real Madrid in epic quarter-final
Arsenal scrape past Sporting to reach Champions League semi-finals
