2015 Geneva Open

The 2015 Geneva Open was a men's tennis tournament played on outdoor clay courts. It was the 1st edition of the Geneva Open and part of the ATP World Tour 250 series of the 2015 ATP World Tour. It took place at the Tennis Club de Genève in Geneva, Switzerland, from May 17 through May 23, 2015.

Seeds

 * Rankings are as of May 11, 2015.

Other entrants
The following players received wildcards into the singles main draw:
 * Marin Čilić
 * 🇷🇺 Andrey Rublev
 * 🇷🇸 Janko Tipsarević

The following players received entry from the qualifying draw:
 * 🇧🇦 Damir Džumhur
 * 🇷🇺 Andrey Kuznetsov
 * 🇫🇷 Adrian Mannarino
 * 🇨🇿 Lukáš Rosol

Withdrawals

 * Before the tournament
 * 🇧🇪 Steve Darcis →replaced by Jan-Lennard Struff
 * 🇪🇸 Marcel Granollers →replaced by Ričardas Berankis
 * 🇨🇦 Vasek Pospisil →replaced by Thomaz Bellucci
 * 🇨🇿 Radek Štěpánek →replaced by Teymuraz Gabashvili

Seeds

 * Rankings are as of May 11, 2015.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * Henri Laaksonen / Luca Margaroli
 * 🇷🇸 Janko Tipsarević / 🇷🇺 Mikhail Youzhny

The following pair received entry as alternates:
 * 🇦🇷 Carlos Berlocq / 🇧🇷 João Souza

Withdrawals

 * Before the tournament
 * 🇷🇸 Janko Tipsarević

Singles

 * 🇧🇷 Thomaz Bellucci defeated João Sousa, 7–6(7–4), 6–4

Doubles

 * 🇨🇴 Juan Sebastián Cabal / 🇨🇴 Robert Farah defeated Raven Klaasen /  Lu Yen-hsun, 7–5, 4–6, [10–7]