The top seed and third seed in the Toyota Princess Cup set up a semifinal clash after both Kim Clijsters and Jelena Dokic breezed to straight-sets victories Friday.
Ai Sugiyama, Japan's sole representative in the quarterfinals, went out in disappointing fashion, going down 6-4, 6-3 against Spain's Gala Leon Garcia at Ariake Tennis Forest Park.
Clijsters coasted to a 6-3, 6-1 victory over Thailand's No. 8 seed Tamarine Tanasugarn, who could do little in the face of Clijsters' power and movement as the top-seeded Belgian completed an easy victory in just 51 minutes.
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