Serena Williams (USA x1) v Roberta Vinci (ITA)
– Williams, 33, and Vinci, 32, have the oldest combined age of any US Open semi-final foes in the Open Era.
– Williams would become the second woman in the Open Era to win four US Open titles in a row, matching Chris Evert’s run from 1975-1978.
– Williams has won 8 of 13 prior Grand Slams, 28 WTA titles and 214 of 229 matches since starting to work with coach Patrick Mouratoglou after a first-round exit at the 2012 French Open.
– Williams has dropped the fewest games, 37, and spent the least time on the court at six hours and 37 minutes
– Vinci would become only the third unseeded player to reach the US Open women’s final after Kim Clijsters in 2009 and Venus Williams in 1997.
