Andre Agassi round-robin match, but winning the final. In 2000's they met three more times on the Grand Slam level offering three memorable contests. In 2000, the top-ranked Agassi defeated No. 3 Sampras in the semifinals of the Australian Open in five sets, which was an important win for Agassi who lost 4 of the previous 5 matches against Sampras. In arguably their most memorable match ever, Sampras defeated Agassi in the 2001 US Open quarterfinals in four sets. There were no breaks of serve during the entire match. Reruns of the match are frequently featured on television, especially during US Open
2009 Wimbledon Championships – Men's Singles last time where an American male player reached the semifinals of a Grand Slam until Sam Querrey reached the semifinals of the 2017 Wimbledon Championships eight years later. Rafael Nadal "(Withdrew)" 2009 Wimbledon Championships – Men's Singles Rafael Nadal was the defending champion, but withdrew from the tournament due to knee tendinitis. In a repeat of the 2004 and 2005 finals, Roger Federer defeated Andy Roddick in the final, 5–7, 7–6, 7–6, 3–6, 16–14 to win the Gentlemen's Singles tennis title at the 2009 Wimbledon Championships for the sixth time. It became the longest men's singles final (in terms of