2006 US Open – Men's Singles Rafael Nadal at Roland Garros. Also, he reached a record-equalling 10th consecutive Grand Slam semifinal appearance (streak started at the 2004 Wimbledon Championships), after Rod Laver and Ivan Lendl. This tournament was Andre Agassi's last professional appearance. He played his last match against Benjamin Becker and retired after the US Open. Future champion Juan Martín del Potro made his first appearance in the main draw of the US Open. This was also the first Grand Slam tournament in which future World No. 1's Novak Djokovic and Andy Murray were seeded. They were seeded 20th and 17th respectively. The seeded players
Grand Slam (tennis) For instance, when Rafael Nadal was on the verge of completing a non-calendar year Grand Slam at the 2011 Australian Open, one writer observed, "Most traditionalists insist that the 'Grand Slam' should refer only to winning all four titles in a calendar year, although the constitution of the International Tennis Federation, the sports governing body, spells out that 'players who hold all four of these titles at the same time achieve the Grand Slam'." This was true until later in 2011, when the ITF edited the description to eliminate all confusion. As it now stands, "The Grand Slam titles are