2015 Open de Nice Côte d'Azur – Singles
Ernests Gulbis was the defending champion, but lost to Dominic Thiem in the quarterfinals.
Thiem went on to win the title, defeating Leonardo Mayer in the final, 6–7(8–10), 7–5, 7–6(7–2).

Seeds
The top four seeds receive a bye into the second round.

Draw

Finals

Top half

Bottom half

Qualifying

Seeds

Qualifiers

Lucky losers

Qualifying draw

First qualifier

Second qualifier

Third qualifier

Fourth qualifier