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.

Green still off-colour for winless Kolkata
Dembele double at Liverpool fires PSG into Champions League semis
Ex-England international Shelvey named Arabian Falcons FC manager
Muzarabani given two-year PSL ban after IPL switch
Draper vows to overcome injury woes after Barcelona exit
