WITH friends like these who needs enemies?
Viktor Troicki and Novak Djokovic are best of buddies and first hit a ball together at the age of eight or nine. They combined to help Serbia win the Davis Cup in 2010 – with Troicki winning the decisive fifth rubber in the final against France – and in a month's time they will team up to represent their nation in the Olympic doubles event. But days like this must test the relationship somewhat.
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