Federer and Djokovic progress after opponents retire
Seven-time Wimbledon champion Roger Federer and Serbia's world number four Novak Djokovic progressed to Wimbledon's second round after their respective opponents retired mid-match. Djokovic's Slovakian opponent Martin Klizan bowed out when the score was 6-3, 2-0 in the Serbian's favour, while Federer's Ukrainian opponent Alexandr Dolgopolov retired after Federer had progressed to 6-3, 3-0.