Djokovic, Federer seek US Open quarters; Gauff-McNally play - Souris Plain Dealer

Djokovic, Federer seek US Open quarters; Gauff-McNally play  Souris Plain DealerNEW YORK — Novak Djokovic would be a little closer to Roger Federer's record for men's Grand Slam singles titles if he'd done better against Stan Wawrinka.