HEAD Graphene - Maria Sharapova challenges Novak Djokovic

Novak Djokovic secretly tested his new HEAD Graphene Speed! Now it's Maria Sharapova's turn to test her new weapon -- the HEAD Graphene Instinct. Stay tuned for more to come!

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Watch Novak's moves for celebration here: "Novak Djokovic Players Only"
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[Anarkista]

Maria, the most beautiful blonde in the universe, there is none more perfect.

[Queeniewazup]

Terrible clip. Could of done so much more with Maria being there.

[Eghhhh]

Holy crap did she just serve into a small block of wood where the guy holding it is unprotected?!

[abrilfernandez]

Sos perfect mary, I want to know. I am a fan of yours, I live in Argentina and playing very good tennis, I admire you. I LOVE YOU

[TheArtizan]

No way will you beat the speed graphene pro I got one and it is just amazing