US Open: Defending champion Novak Djokovic pulls out September 01, 2019 at 08:51PMhttps://https://ift.tt/2ljpuww The Serb is booed off court as he retires with a shoulder problem in the third set.

The Serb is booed off court as he retires with a shoulder problem in the third set.

from BBC News - World https://ift.tt/2kizciJ