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
2009 Rafael Nadal tennis season hard-court Grand Slam singles title, making him the first Spaniard to win the Australian Open and the fourth male tennis player—after Jimmy Connors, Mats Wilander, and Andre Agassi—to win Grand Slam singles titles on three different surfaces. This win also made Nadal the first male tennis player to hold three Grand Slam singles titles on three different surfaces at the same time. At the ABN AMRO World Tennis Tournament in Rotterdam, Nadal lost in the final to second-seeded Andy Murray in three sets. During the final, Nadal called a trainer to attend to a tendon problem with his right knee,