Juan Martín del Potro was the defending champion, but was unable to participate this year due to a wrist injury.
Milos Raonic won the title, defeating Vasek Pospisil, 6–1, 6–4, in the first-ever all-Canadian final on the ATP World Tour.
Seeds All seeds received a bye into the second round.
Tomáš Berdych (third round) Milos Raonic (champion) Grigor Dimitrov (withdrew due to flu-like symptoms) Kei Nishikori (quarterfinals) John Isner (second round) Richard Gasquet (semifinals) Kevin Anderson (quarterfinals) Feliciano López (second round) Ivo Karlović (third round) Santiago Giraldo (quarterfinals) Radek Štěpánek (second round) Jérémy Chardy (second round) Vasek Pospisil (final) Lleyton Hewitt (third round) Denis Istomin (third round) Lu Yen-hsun (second round) Julien Benneteau (second round)
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
Qualifying
Seeds
Qualifiers
Lucky losers Sam Groth
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
Fifth qualifier
Sixth qualifier
References General
Specific