Serena downs Kuznetsova to enter semis

Three-time champion Serena Williams downed Russian eighth seed Svetlana Kuznetsova 5-7, 7-5, 6-1 to reach the Australian Open semi-finals in a testing, heat-interrupted match today.

The American second seed will play Russia's Elena Dementieva, seed seven, in Thursday's semi-final.

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In the other semi-final which is an all-Russian affair, the third seed Dinara Safina takes on Vera Zvonareva.