Our #USOpen #countdown continues! We are giving away 2 autograph cards signed by tipsarevicjanko everyday through Sunday! To Enter....1) Follow FilaTennis on Instagram Follow tennisFilaUSA on Twitter 2) #regram this post OR RT our tweet about giveaway! Use hash tag #teamFilaGoJanko! Good luck to all and #random drawing tonight! #contest #tennis #fila #filatennis #atp #athlete #fan #prize #win #serbia #nyc #goJanko!