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Savannah Guthrie to take on Roger Federer in charity tennis match

We're counting on Savannah to show us what she's made of!
/ Source: TODAY

As you may have heard once or twice, TODAY's Savannah Guthrie is a bit of an admirer of Swiss tennis legend Roger Federer.

OK, actually she's a gigantic fan. And on March 5, as she announced yesterday, she's going to live out the dream: facing off on a tennis court with Federer! Aces!

But they won't be alone: 19-time Grand Slam champ Federer will team with Microsoft co-founder and co-chair of the Bill & Melinda Gates Foundation Bill Gates to battle Savannah and the No. 1 ranked American Jack Sock in a one-set doubles match for charity.

Naturally, the pair have already taken their very friendly rivalry to social media:

Federer even sent a special video message Savannah's way in which he had to "remind" her that they would not be playing on the same team. "I will be serving full blast, so you maybe better get a helmet or something," he grinned in the video.

Savannah was clearly delighted to see the video on TODAY Thursday, but admitted she was anxious about playing with such top-notch names. "I'm practicing like it's [for] the Olympics!" she said.

It's all part of the Match for Africa 5 Silicon Valley, taking place at the SAP Center in San Jose, California. After Savannah and Bill retire from the court, Federer and Sock will dive in on a best-of-three sets exhibition match.

Funds raised go to the Roger Federer Foundation, which supports children's education in Africa. Last April the foundation held a similar event and raised over $2 million.

Roger Federer in action at the Australian Open Grand Slam tennis tournament in Melbourne, Australia on Jan. 24.EPA

But there's more! Think you want to go? We've got a special code for TODAY fans, who can buy their seats at Ticketmaster today. Just click on this link and use the code MFA5TODAY.

We can't wait to see who wins! (Answer, of course: we all do, no matter who actually scores the most points.)

Follow Randee Dawn on Twitter.