Federer Stunned in 2nd Round by Stakhovsky LONDON - Seven-time champion Roger Federer was stunned by 116th-ranked Sergiy Stakhovsky in the second round of Wimbledon on Wednesday, his earliest loss in a Grand Slam tournament in 10 years. The 27-year-old Ukrainian outplayed Federer on Centre Court, winning 6-7 (5), 7-6 (5), 7-5, 7-6 (5) in one of the biggest upsets in Grand Slam history.