Defending champion James Blake, Evgeny Korolev, and Juan Martín del Potro were to play each other and the winner of the round robin who would advance to the quarterfinals was determined by the number of matches and percent of sets and games that were won.
Copa del Rey | Dean Martin | Martin Luther | Martin Scorsese | San Juan | Ricky Martin | Martin Luther King, Jr. | Lockheed Martin | Martin | Steve Martin | Martin Sheen | St. Martin's Press | Viña del Mar | Mar del Plata | Juan Carlos I of Spain | Bassano del Grappa | Martin Heidegger | Martin Luther King | Santiago del Estero | Max Martin | Aston Martin | Paul Martin | Martin Lawrence | Martin Van Buren | Martin Luther King Jr. | La forza del destino | Glenn L. Martin Company | Valle del Cauca | Martin Short | Don Juan |
In addition, Federer made two other Grand Slam finals, Australian Open losing to Rafael Nadal, and the US Open, losing to Juan Martín del Potro.
The singles draw featured ATP No. 6, 2009 Australian Open semi-finalist and 2009 Dubai finalist Andy Roddick, 2009 Australian Open quarterfinalist and 2008 U.S Open quarterfinalist Juan Martín del Potro, Other names include James Blake, Radek Štěpánek, Mardy Fish, Sam Querrey, Igor Kunitsyn and Robby Ginepri.
Juan Martín del Potro was the defending champion, but chose to compete in Dubai instead.
Juan Martín del Potro (born September 23, 1988), professional tennis player and winner of the 2009 US Open men's singles title