Home'I had some spare time': Djokovic apologises for punking ballgirl – Nine.com.au 'I had some spare time': Djokovic apologises for punking ballgirl – Nine.com.auAustralia ‘I had some spare time’: Djokovic apologises for punking ballgirl Nine.com.au Djokovic apologises for pranking ball kid during ‘vintage’ Wimbledon win Australian Broadcasting Corporation