Vinci upsets Serena Williams in 3 sets, goes on to face Pennetta in U.S. Open final

NEW YORK — Unseeded Roberta Vinci pushed Serena Williams to a third set in the U.S. Open semifinals and will go on to face Flavia Pennetta of Italy.
With Williams two victories from completing the first Grand Slam since 1988, Vinci won a set off the 21-time major champion for the first time in five meetings.
Vinci, in her first Grand Slam semifinal, took the second set 6-4, saving a break point in the final game, after Williams won the first 6-2 on Friday.
Williams has won in three sets 11