No . 1 Jelena Jankovic . World No . 1 playing in third match since winning WTA . Djokovic 's three -set win sets up meeting with Serena Williams . Sam Stosur through to first round at WTA event in Montreal . Defending champion a straight-sets winner over Sam Stosur .
World No . 1 playing in third match since winning WTA . Djokovic 's three -set win sets up meeting with Serena Williams . Sam Stosur through to first round at WTA event in Montreal . Defending champion a straight-sets winner over Sam Stosur .