Andre Agassi Agassi fell to 112th-ranked big-serving Benjamin Becker of Germany in four sets. Agassi received a four-minute standing ovation from the crowd after the match and delivered a retirement speech. The rivalry has been considered the greatest of the generation of players competing in the 90's, as Sampras and Agassi were the most successful players of that decade. They also had very contrasting playing styles, with Sampras being considered the greatest server while Agassi the greatest serve returner of the game. Agassi and Sampras met 34 times on the tour level with Agassi trailing 14–20. The 1990 US Open was their
Andre Agassi an early loss in the second round to Tommy Haas. He won five titles in ten finals and was runner-up at the Masters Series tournament in Key Biscayne, losing to Marcelo Ríos, who became No. 1 as a result. At the year end he was awarded the ATP Most Improved Player of the Year for the second time in his career (the first being 10 years earlier in 1988). Agassi entered the history books in 1999 when he came back from two sets to love down to beat Andrei Medvedev in a five-set French Open final, becoming, at the time,