Westwood made his Ryder Cup debut in 1997 where he partnered fellow Englishman Nick Faldo in both sets of fourballs and foursomes. In the 1999 Ryder Cup, he partnered Darren Clarke for the fourballs and foursomes, picking up 2 points. At The Belfry in 2002 he teamed up with Sergio García in a successful partnership in which they won 3 and lost 1 of their four matches.