article: 2009 US Open (tennis)
links: September 14 Roger Federer New York (state) Bernard Tomic Caroline Wozniacki August 31 Grand Slam (tennis) Esther Vergeer 2009 United States U.S. Open (tennis) Serena Williams Venus Williams 2010 US Open (tennis) Juan Martín del Potro Angelique Kerber 2009 US Open – Men's Singles Kim Clijsters Korie Homan New York City