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
Doping in tennis and International Tennis Federation (ITF) led a combined anti-doping initiative in professional tennis. Following the joint initiative between the ATP and WTA, the International Tennis Federation (ITF) became the sole governing body for professional tennis anti-doping initiatives in 2007, as the Association of Tennis Professionals (ATP World Tour) and Women's Tennis Association (WTA World Tour) moved towards a player-focused organisation and administrative role. Other bodies that regulate doping within tennis on a national level include the United States Anti-Doping Agency. In 1997, Andre Agassi returned a positive drug test for the use of methamphetamine. A joint investigation carried out by