 At Wimbledon , Federer entered the tournament not only as the four @-@ time defending champion , but also riding a 48 @-@ match winning streak on grass . Once again , he defeated Rafael Nadal for a second consecutive year in the final , this time in a thrilling five @-@ set encounter that many analysts hailed as the greatest Wimbledon final since 1980 . Victory at Wimbledon <unk> him with Björn Borg for the record of five consecutive championships at the All England Club . 
