Some things come way too effortlessly for Roger Federer, and, now, Connect 4 is one of them.

As part of the Australian Open's Board Game Challenge, Federer played Connect Four against a Tennis Hot Shots Kid, and, being Roger Federer, he won the game without even knowing it.

"Do you even know that you won?!" the little girl exclaimed.

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WATCH: Federer faces little girl in Connect Four

"I'm too old for this," she told the 37-year-old after the game.

The Hot Shots Kids also played Jenga ...

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And Bounce Off with Grigor Dimitrov, Kevin Anderson, Denis Shapovalov, Stan Wawrinka and more.

David Goffin in particular was an enthusiastic participant.

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WATCH: Federer faces little girl in Connect Four

Federer, having fallen out of the ATP's Top 5 this week, will hope his next title comes as easily as the Connect Four win.