The MercedesCup – Singles event of the 2007 Stuttgart Open tennis championship took place in Stuttgart, Germany, from 16 to 22 July 2007. Thirty-two players from twelve countries competed in the five-round tournament. The final winner was first-seeded Rafael Nadal of Spain, who defeated Stanislas Wawrinka of Switzerland. The defending champion from 2006, David Ferrer, was eliminated in the second round.