The December exhibitions between Roger Federer and Rafael Nadal will be broadcast live on ESPN2. They will also be shown online at ESPN3.com, with Chris Fowler and Patrick McEnroe providing commentary. Nadal will play Federer in Switzerland, in Zurich, on Tuesday, Dec. 21 (2 p.m. EST); they will play the following day in Madrid, Spain at 1 p.m.. The matches will take place on an indoor hard-court and are best of three sets.