It has been roughly six weeks since Novak Djokovic played a competitive singles match. Rather than take part in warmup hard-court events ahead of the U.S. Open, the 24-time major champion gave himself a breather,

Novak Djokovic’s first match at the US Open was a bit of a litmus test for the Serbian legend because he didn’t play a hardcourt warm-up tournament coming into the year’s final Grand Slam. The 24-time Grand Slam champion said he didn’t play the Cincinnati Open because he prefers to focus on the Grand Slams at this stage of his career.

Novak Djokovic fears his lack of physical conditioning may come back to haunt him as he chases a record 25th Grand Slam singles title at the US Open.I really was surprised how bad I was feeling in the second physically.