Updated On: 05 July, 2017 08:30 AM IST | London | AFP
<p>Roger Federer and Novak Djokovic barely had to break sweat to make winning starts at Wimbledon as their injury-hit opponents retired hurt from their first round matches on Tuesday</p>


Switzerland's Roger Federer
Roger Federer and Novak Djokovic barely had to break sweat to make winning starts at Wimbledon as their injury-hit opponents retired hurt from their first round matches on Tuesday.