Defending champion Federer knocked out in second round

Defending champion Roger Federer has been knocked out in the second round of Wimbledon.
The Swiss, a seven-time champion at the All-England club, and a holder of a record 17 grand slams, was beaten by Sergiy Stakhovsky of Ukraine 7-6(5) 6-7(5) 5-7 6-7(5)