Michael Chang won the French Open (Roland-Garros) in 1989 at 17 years and 110 days old, making him the youngest male Grand Slam champion in history
Boris Becker won Wimbledon in 1985 at 17 years and 227 days old, becoming the youngest player to win this prestigious tournament
Pete Sampras won the US Open in 1990 at 19 years and 28 days old, making him the youngest male champion at this event
Mats Wilander won the Australian Open in 1983 at 19 years and 111 days old. While primarily noted for his clay-court success, this victory marked his achievement on a hard court