A WIMBLEDON star funded by Novak Djokovic collapsed to the floor in agony after a horror fall at SW19.
And he was forced to retire in shocking scenes.

Hamad Medjedovic suffered a horrible injury on Court 8[/caption]
Hamad Medjedovic faced Sebastian Ofner in the first round at Wimbledon.
But he had to pull out midway through the second set.
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