Former world number one Novak Djokovic is in doubt for the US Open due to his elbow injury, according to Serbian media
The 12-time grand slam champion won the tournament 2011 and 2015.
Serbia’s Sportski Zurnal reported that the 30-year-old could face up to 12 weeks on the sidelines.
It quoted Davis Cup doctor Zdenko Milinkovic who said he has a bruised bone due to excessive playing.
The 30-year-old retired hurt during the quarter-finals at Wimbledon.
Djokovic has appeared in 51 straight grand slams since his debut at the 2005 Australian Open.
This year’s tournament begins on August 28.