2012 Gerry Weber Open
Date	11–17 June
Edition	20th
Category	ATP World Tour 250
Draw	28S / 16D
Prize money	€663,750
Surface	Grass / outdoor
Location	Halle, Germany
Venue	Gerry Weber Stadion
Champions
Singles
Tommy Haas
Doubles
Aisam-ul-Haq Qureshi / Jean-Julien Rojer
← 2011 · Gerry Weber Open · 2013 →

The 2012 Gerry Weber Open was a men's tennis tournament played on outdoor grass courts. It was the 20th edition of the event known that year as the Gerry Weber Open and is part of the ATP World Tour 250 series of the 2012 ATP World Tour. It took place at the Gerry Weber Stadion in Halle, Germany, between 11 June and 17 June 2012.^[1] Unseeded Tommy Haas won the singles title.

Singles main draw entrants

Seeds

Country	Player	Rank1	Seed
ESP	Rafael Nadal[2]	2	1
SUI	Roger Federer[3]	3	2
CZE	Tomáš Berdych[3]	7	3
UKR	Alexandr Dolgopolov	19	4
CAN	Milos Raonic	22	5
ESP	Marcel Granollers	23	6
ITA	Andreas Seppi	25	7
GER	Philipp Kohlschreiber	26	8

• ¹ Seedings are based on the rankings of May 28, 2012

Other entrants

The following players received wildcards into the singles main draw:

• Dustin Brown
• Tommy Haas^[4]
• Philipp Petzschner

The following players received entry from the qualifying draw:

• Konstantin Kravchuk
• Tim Smyczek
• Zhang Ze
• Mischa Zverev

Withdrawals

• Gaël Monfils (right knee injury)
• Kei Nishikori (stomach injury)

Doubles main draw entrants

Seeds

Country	Player	Country	Player	Rank1	Seed
PAK	Aisam-ul-Haq Qureshi	NED	Jean-Julien Rojer	49	1
CZE	František Čermák	AUT	Julian Knowle	70	2
GER	Dustin Brown	AUT	Oliver Marach	74	3
ESP	Marcel Granollers	ESP	Rafael Nadal	81	4

• Rankings are as of May 28, 2012

Other entrants

The following pairs received wildcards into the doubles main draw:

• Marco Chiudinelli / Mischa Zverev
• Tommy Haas / Alexander Waske

Retirements

• Marcel Granollers (right ankle strain)

Finals

Singles

Tommy Haas defeated Roger Federer, 7–6^(7–5), 6–4

Doubles

Aisam-ul-Haq Qureshi / Jean-Julien Rojer defeated Treat Conrad Huey / Scott Lipsky, 6–3, 6–4