Serena downs Kuznetsova to reach Open semis

MELBOURNE: 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 Wednesday.

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