Rafael "Rafa" Nadal Parera is a Spanish professional tennis player. As of August 2007, he is ranked No. 2 in the world. He is a three-time Grand Slam champion, having won three consecutive French Open singles titles (2005-07), and has twice been a runner-up at Wimbledon (2006-07). Nadal is undefeated in his career at the French Open, having won all 21 matches he has played en route to his three championships. He also holds the longest winning streak among male players on a single surface in the open era. From April 2005 to May 2007, he won a record 81 consecutive clay court matches, before being defeated by World Number One Roger Federer in the 2007 Hamburg Masters final.