WATCH: Nadal and Sock interview each other

Live on Periscope from Roland Garros' center court, Rafael Nadal and Jack Sock sat down to interview each other. As part of a Babolat promotion, the two pulled questions out of The Musketeers' trophy, and answered them dutifully.

Since it's Periscope, you'll have to hit "Watch fullscreen" to get the panned out version of the footage. And since it was live, there's an awkward minute at the start where the pair looked like they were on a play date against their will. Nadal even asked about the weather in Kansas City to break the ice.

Once they got warmed up, the questions covered a variety of topics with some of the best ones including: "If we play each other, what's your game plan to beat me?" and "What interview question are you tired of answering?"

Nadal said it's the standard reporter question about his next opponent, which he will always answer with: "Tough one, I need to play my best."

The most unique question pulled out of the trophy was: "If you were a kangaroo, what would you keep in your pouch?" to which Sock said his child, or a Chipotle burrito.

Nadal and Sock also took to the court for a practice session in what was a much more comfortable environment for them both.

They will find out their Roland Garros draws on Friday.

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PLUS: Watch the Racquet Bracket Show on Tennis Channel this Friday at 9 PM ET—then play the Racquet Bracket game for the men's and women's draws.