Novak Djokovic has opened up on the problems with his serve despite winning through to the third round of the US Open. The Serbian was leading Laslo Djere 6-4 6-4 2-0 when an abdominal issue meant his compatriot Djere was unable to continue.
It was a record win for the 37-year-old, becoming the first player in history to win 90 matches in all four Grand Slam events.
But it was far from straightforward, with Djokovic admitting his service was “awful” afterwards.
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