When Lindsey Vonn isn't going downhill fast, you may well find her on court swinging away.
Video: Washington, DC Photo Gallery
In a Q & A with fans today on Twitter, the Olympic gold-medal winning skier said tennis is her favorite sport aside from skiing.
Things got interesting when a fan asked Vonn if she preferred Novak Djokovic or Rafael Nadal.
The man who has scaled the Grand Slam summit took tennis to the top of a glacier when Federer rallied with Vonn atop a glacier court in a duel to settle a sweet tooth. The pair took tennis to extremes playing for a piece of candy in this ad for sponsor Lindt Chocolate last year.
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