Britain and Ireland earned 5 1/2 points in the first six singles matches Sunday to win the Seve Trophy over Continental Europe. Trailing by a point heading into the singles, Bradley Dredge got the decisive win by making a birdie to go 2 up with two to play against Gonzalo Fernandez Castano. Colin Montgomerie, who lost all three of his earlier matches in the tournament, started the rout by beating Robert Karlsson 1 up in the first singles.