Article Photos: Australian champ Wawrinka stunned in French opener 13/14

Switzerland's Stanislas Wawrinka bows his head after missing a return during the first round match of the French Open tennis tournament against Spain's Guillermo Garcia-Lopez at the Roland Garros stadium, in Paris, France, Monday, May 26, 2014. Wawrinka lost in four sets. (AP Photo/Michel Euler)