Maria Sharapova averted an early exit while China’s Peng Shuai upsetted fourth-seeded Agnieszka Radwanska.
But one sporting peak no Canadian has yet to reach is the top of the tennis mountain as a grand slam winner.
wMurray said, players will seek out partners whose styles resemble those of scheduled opponents.
The Serb could meet either Andy Murray or Jo-Wilfried Tsonga in the quarter-finals.
World no. 2 Rafael Nadal has withdrawn from the tournament because an injured right wrist.
A wrist injury forced Nadal to skip the tournament; he also missed Rogers Cup and Cincinnati Open.
The second-seeded Federer defeated Murray 6-3, 7-5 after the Scot had taken a 4-1 lead in the second set.
Federer advanced to the Rogers Cup final vs Tsonga beating Spain’s Feliciano Lopez 6-3, 6-4.
Venus topped Serena 6-7 (2), 6-2, 6-3, for her first victory against her sister since 2009, to reach Rogers Cup final.
Serena Williams defeated Czech Republic’s Lucie Safarova 7-5 6-4; Maria Sharapova lost to Spain’s Carla Suarez Navarro.
Paes is fighting for the custody of his daughter; the hearing of the case is scheduled around the Serbia tie.
Federer stormed into the third round of the Rogers cup beating Peter Polansky 6-2 6-0 on Tuesday.
Serena’s return to fitness has come at just the right time with the US Open set to start on Aug 25.
Raonic took barely an hour to dispose of Pospisil 6-1 6-4 to win first ATP title of the year.
Rafael Nadal’s title defence looks in jeopardy after he ruled himself out of the Roger’s cup in Toronto.