One of our favorite shots tipsarevicjanko with....um, himself. Our #countdown to the #usopen continues! Who will win next 2 #autograph cards signed by Janko? To enter...1) Follow tennisFilaUSA on Twitter Follow FilaTennis on Instagram. 2) #regram this post OR RT our tweet about giveway. Use hashtag #teamfilagojanko Good luck to all!! #tennis #fila #grandslam #nyc #filatennis #prize #win #atp #serbia #contest