Karen Khachanov was the defending champion but lost in the second round to Denis Istomin.
Istomin won the title when Marcos Baghdatis retired in the final with a back injury, down 2–3.
Seeds The top four seeds receive a bye into the second round.
Draw
Finals
Top half
Bottom half
Qualifying
Seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References Main Draw Qualifying Draw