Ai Sugiyama, Saori Obata, Shinobu Asagoe and Akiko Morigami all won berths for the Athens Olympics through the latest WTA singles rankings released Monday, having cleared the standard set by the International Tennis Federation.

Sugiyama, who also qualified for the women's doubles will be making her third straight Olympic appearance this summer while it will be the second straight time for Asagoe. Obata and Morigami are set to make their Olympic debut.