Ivo Karlović was the defending champion from when the Nottingham Open was last held in 2008, but chose not to participate.
Denis Istomin won the 2015 men's singles title, defeating Sam Querrey in the final, 7–6(7–1), 7–6(8–6). It was his first ATP Tour singles title.
Seeds All seeds receive a bye into the second round.
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
Qualifying
Seeds
Qualifiers
Qualifying draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
References
External links Main Draw Qualifying Draw