Rafael Nadal-Roger Federer live

Updated: December 20, 2010, 12:29 PM ET
By Ravi Ubha | Special to

The greatest rivalry in tennis will resume on Tuesday (ESPN2/, 2:30 ET) and Wednesday ((ESPN2/, 1 ET) when Rafael Nadal and Roger Federer play in back-to-back best-of-three-set exhibitions benefiting their respective charities.

Don't miss a beat of the coverage. Ravi Ubha will be talking your questions and comments throughout the duration of both matches.

London-based Ravi Ubha covers soccer and tennis for