16th seed upsets No. 6 in ugly three-setter
China's Li Na beat Venus Williams 2-6, 7-6 (4), 7-5 Wednesday in a marathon Australian Open quarterfinal that featured 110 unforced errors. The sixth-seeded Williams served for the match in the second set against No. 16 Li but was broken, forcing matters to the tiebreaker, which Li dominated. Williams held...