Claim: Andre Agassi won the French Open in 1999.
Evidence: Agassi was the first male player to win all four Grand Slam tournaments on three different surfaces -LRB- hard , clay and grass -RRB- , and the last American male to win both the French Open -LRB- in 1999 -RRB- and the Australian Open -LRB- in 2003 -RRB-.