World number one Novak Djokovic has stated that the back injury that forced him to retire in Serbia's Davis Cup defeat to Argentina is not too serious.
The Serbian was playing Juan Martin Del Potro in his side's semi-final tie in Belgrade, when he had to concede the match through injury. However, he has since declared that he just requires rest before he can return to the tennis court. Those following the tennis betting
will be relieved it is not more serious.