Ai Sugiyama Made Her Debut to the Toray PPO, Playing against Navratilova. PPO Became Highest Category “Tier I” from This Year.

Prize money increased to $750,000. Navratilova made upset win to Graf at the Semi-final, and defeated L. Neiland at the Final. 1991 Junior ranking No.1 Sugiyama made her debut, and lost the close game against Navratilova via full-set.
Martina Hingis became the Roland Garros junior champion at the age 12.