Andre Agassi significant championships. In 1998, Agassi began a rigorous conditioning program and worked his way back up the rankings by playing in Challenger Series tournaments, a circuit for pro players ranked outside the world's top 50. After returning to top physical and mental shape, Agassi recorded the most successful period of his tennis career and also played classic matches in that period against Pete Sampras and Patrick Rafter. In 1998, Agassi won five titles and leapt from No. 110 to No. 6, the highest jump into the top 10 made by any player during a calendar year. At Wimbledon, he had
Andre Agassi in Federer's hometown, with Agassi prevailing over the 17-year-old. Agassi also defeated Federer at the 2001 US Open and the finals of the Miami Open in 2002. Federer began to turn the tide at the Masters Cup in 2003, when he defeated Agassi in both the round robin and the final. They played a memorable quarterfinal match at the 2004 US Open that spanned over two windy days, with Federer eventually prevailing in five sets. At the 2005 Dubai Championships, Federer and Agassi attracted worldwide headlines with a publicity stunt that saw the two tennis legends play on a helipad