2015 Gerry Weber Open

The 2015 Gerry Weber Open was a men's tennis tournament played on outdoor grass courts. It was the 23rd edition of the event known that year as the Gerry Weber Open and part of the ATP World Tour 500 series of the 2015 ATP World Tour. It took place at the Gerry Weber Stadion in Halle, Germany, between 15 June and 21 June 2015. First-seeded Roger Federer won his eighth singles title at the event.

Prize money

 * per team

Seeds

 * 1 Rankings are as of June 8, 2015.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇩🇪 Dustin Brown
 * 🇩🇪 Jan-Lennard Struff
 * 🇩🇪 Alexander Zverev

The following players received entry from the qualifying draw:
 * 🇱🇹 Ričardas Berankis
 * 🇨🇴 Alejandro Falla
 * 🇸🇰 Lukáš Lacko
 * 🇫🇮 Jarkko Nieminen

Withdrawals

 * Before the tournament
 * 🇩🇪 Benjamin Becker →replaced by Borna Ćorić
 * 🇫🇷 Jo-Wilfried Tsonga →replaced by Steve Johnson

Retirements

 * 🇫🇷 Gaël Monfils
 * 🇯🇵 Kei Nishikori

Seeds

 * Rankings are as of June 8, 2015.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇩🇪 Dustin Brown / 🇩🇪 Jan-Lennard Struff
 * 🇩🇪 Alexander Zverev / 🇩🇪 Mischa Zverev

The following pair received entry from the qualifying draw:
 * 🇨🇿 Lukáš Rosol / 🇺🇦 Sergiy Stakhovsky

Singles

 * Roger Federer defeated 🇮🇹 Andreas Seppi, 7–6(7–1), 6–4

Doubles

 * Raven Klaasen / 🇺🇸 Rajeev Ram defeated 🇮🇳 Rohan Bopanna / 🇷🇴 Florin Mergea, 7–6(7–5), 6–2