At the start of the year, Roger Federer and Bill Gates announced the fifth edition of the Match For Africa, an exhibition benefitting the Roger Federer Foundation.

The exhibition, taking place in San Jose, Calif., will also see Jack Sock and TODAY show co-anchor Savannah Guthrie hit the doubles court.

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Federer and Guthrie engaged in some amusing trash talk on Twitter ahead of the Monday showdown. While the doubles action will be fun, all eyes will be on the main event: Federer vs. Sock. It marks Federer's first appearance playing in the Bay Area.