The Toyota Princess Cup was a WTA Tour affiliated women's tennis tournament held annually from 1997-2002.
It was played in Tokyo, Japan and was categorized as a Tier II event.
Competitors played their matches on outdoor hardcourts.
Monica Seles and Serena Williams each won the event twice, with Seles collecting a further two titles in the doubles event.
Ai Sugiyama was the only winner from Japan, with her two triumphs coming in the doubles in 1997 and 2000.