Andre Agassi first meeting in a Grand Slam tournament final. Agassi was favored as he was ranked No. 4 at the time, compared to the No. 12 ranking of Sampras and because Agassi had defeated Sampras in their only previously completed match. Agassi however lost the final to Sampras in straight sets. Their next meeting in a Grand Slam was at the 1992 French Open, where they met in the quarterfinals. Although Sampras was ranked higher, Agassi came out winning in straight sets. They met again on a Grand Slam level at the quarterfinals of Wimbledon in 1993, where Agassi was the
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