Jaggard-Lai played her first professional season in 1984. In 1986 she won the Wimbledon junior title and a year later the Australian Open junior title . She won three double titles on the WTA Tour in her career . At the side of Kimiko Date-Krumm , she reached the quarter-finals of the Australian Open in 1992. In 1993 she was used in the final of the Fed Cup for Australia , but suffered a defeat against the Spanish Conchita Martínez .
In 1992 she married the Dutch soccer player Gershwin Lai . After the 1994 season, she said goodbye to professional tennis at the age of 25.