Nick Kyrgios points out the key weakness of Novak Djokovic, Roger Federer and Rafael Nadal

Nick Kyrgios has beaten each member of the 'Big Three', Roger Federer, Novak Djokovic, and Rafael Nadal.

The Aussie led the head-to-head against all three, winning his opening matches against the trio. However, Roger Federer (6-1) and Rafael Nadal (6... [3585 chars]

Click here to read article