2014 Citi Open – Men's Singles
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 '
Milos Raonic
Grigor Dimitrov '
Kei Nishikori '
John Isner '
Richard Gasquet '
Kevin Anderson '
Feliciano López '
Ivo Karlović '
Santiago Giraldo '
Radek Štěpánek '
Jérémy Chardy '
Vasek Pospisil '
Lleyton Hewitt '
Denis Istomin '
Lu Yen-hsun '
Julien Benneteau '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
Sixth qualifier