Serena Williams Continues Dream U.S. Open Run With Win, Tiger Woods Cheers On

The book on Serena Williams' career ain't closed yet ... the tennis legend moved on in the U.S. Open on Wednesday night with a huge win -- and Tiger Woods was there to cheer it all on!! Williams upset No. 2 seed Anett Kontaveit, 7-6 (4), 2-6, 6-2,…