Novak Djokovic has pulled out of the Cincinnati Open for what officially was listed as a “non-medical” reason. Monday's withdrawal means he will head to the U.S.

Novak Djokovic is set to wear an all-black outfit at the US Open later this month, with fans claiming the Serb has gone 'full villain mode' as a result

Djokovic, ranked No. 6 in the world, is bidding to win a record 25th major at the U.S. Open, which begins Aug. 24. He lost to world No. 1 Jannik Sinner in the semifinals at both Roland Garros and Wimbledon. The Cincinnati Open is still headlined by Sinner and Alcaraz, with many other top stars playing.