The singles draw was headlined by Association of Tennis Professionals (ATP) World Tour Number 3, US Open and Indian Wells runner-up, Doha, Rotterdam and Miami champion Andy Murray, Memphis winner, Australian Open semifinalist and four-time Queen's Club champion Andy Roddick, and Australian Open quarterfinalist Gilles Simon.

Also present were Acapulco runner-up, French Open quarterfinalist Gaël Monfils, Chennai and Zagreb winner Marin Čilić, James Blake, Marat Safin and Mardy Fish.

The doubles draw was led by reigning Wimbledon champions, Rotterdam, Monte Carlo, Barcelona, Rome and Madrid winners Daniel Nestor and Nenad Zimonjić.

Other seeded partnerships were 2008 US Open and 2009 Australian Open champions Bob Bryan and Mike Bryan, Bruno Soares and Kevin Ullyett, and Mariusz Fyrstenberg and Marcin Matkowski.

Andy Murray defeated James Blake, 7–5, 6–4 Wesley Moodie / Mikhail Youzhny defeated Marcelo Melo / André Sá, 6–4, 4–6, [10–6] * Seedings are based on the rankings as of 25 May 2009 The following players received wildcards into the main draw: The following players received entry from the qualifying draw: