WASHINGTON, April 14 (Xinhua) -- Justine Henin-Hardenne defeated Dinara Saina on Friday in the quarterfinals and kept her title defence on track at the WTA clay court tournament in Charleston, South Carolina.

    The top-seeded Belgian beat the seventh seed Russian 6-4, 6-1 to record 14-0 in Charleston.

    The reigning French Open champion will face either third-seeded Swiss Patty Schnyder or eighth-seeded Nathalie Dechy of France in the semifinals .

    In the other semifinals, second seed Russian Nadia Petrova will meet doubles partner Anna-Lena Groenefeld of Germany.

    Petrova routed Colombian Catalina Castano 6-2, 6-0, while Groenefeld, the sixth seed, prevented an all-Russian semifinals as she overcame fourth seed Svetlana Kuznetsova 6-3, 7-6 (7/4).   Enditem