The Americans defeated Olympic champions Roger Federer and Stanislas Wawrinka 4-6, 6-3, 6-3, 6-3 to secure the winning point.
In Friday’s opening two rubbers, Fish defeated Wawrinka in five sets and John Isner upset Federer in four.
© Copyright AFP Agence France-Presse GmbH – All rights reserved. This material may not be published, broadcast, rewritten or distributed. All reproduction or redistribution is expressly forbidden without the prior written agreement of AFP.
