To win the U.S. Open for her first Grand Slam title at age 33, Flavia Pennetta did not have to beat Serena Williams.

Instead, Pennetta needed to get past the woman who ended Williams’ Grand Slam bid, Roberta Vinci. And Pennetta was able to do just that, pulling away in a matchup between a pair of Italians who were opponents and doubles partners as kids.

And then Pennetta, in a shocking twist to an already unique day, announced her retirement from professional tennis. Pennetta is the first Italian woman to win the U.S. Open title. Read more…

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Flavia Pennetta wins U.S. Open, then in ultimate mic drop, retires