Sportsmanship at its finest.
Switzerland's Roger Federer and Argentina's Juan Martin del Potro walk off the court after the men's singles semifinal round match at the 2012 London Olympic Games at the All England Tennis Club in Wimbledon.
Federer defeated del Potro in a historic tennis marathon, the longest three-set men's match of the Open era, 19-17 after 4 hours and 26 minutes.
The Wimbledon 2012 winner has now earned his first Olympic singles medal and will face Great Britain's Andy Murray in the finals. - Rappler.com