NEW YORK (Sept 11): World number one Novak Djokovic kept his bid for a calendar Grand Slam alive on Friday, overcoming German Alexander Zverev 4-6 6-2 6-4 4-6 6-2 in the U.S. Open semi-final. I’m going to treat the next match like it is the last match of my career." Tied at two sets a piece, Djokovic won a 30-shot rally for the early break, but after fending off four break points saw Zverev convert in the seventh game. "I knew coming into the court today there is going to be a great battle, as we said, prior to this match. Djokovic, who has hoisted the trophy at Flushing Meadows three times before already, has now equalled Federer's record of 31 Grand Slam men's single finals.
