@jack.sock will take on @rogerfederer in singles, then join @savannahguthrie and @billgates for doubles when #MatchforAfrica 5️⃣ comes to the @sapcenter on 3.5! Send a 🎾 if you’re planning to watch this great night of tennis! #usta #jacksock #rogerfederer #billgates #sapcenter #tennis #protennis #instatennis #instasports