Earlier, France's Gilles Simon defeated James Blake of the United States 3-6 6-1 6-4, while Blake's compatriot Robby Ginepri progressed with a 6-4 6-4 victory over France's Michael Llodra.
With the hosts missing the experience of Craig Bellamy, Simon Davies, James Collins and Jason Koumas, manager John Toshack had little option but to put his faith in youth.
Simon Clutterbuck, James Jacobs and Dr. Richard Dorling won for inventing a technique which has made huge advances in bringing to life computer-generated characters such as Gollum in Peter Jackson's The Hobbit.