BERLIN - Switzerland's double defending champion Roger Federer trumped Italian Andreas Seppi 7-6 (7/1), 6-4 to win an eighth title at the ATP Halle tournament on Sunday. The title was the 33-year-old Swiss world number two's fourth of the season after Brisbane, Dubai and Istanbul, and 86th of his career. It was also Federer's 15th career title on grass, coming just over a week away from Wimbledon, where he will be bidding to win an eighth time.