That Friday #USOpen Feeling... @serenawilliams will take on her big sister @venuswilliams in the round of 32. This will be their 30th tour-level encounter and combined they have won 30 #GrandSlam singles 🏆. Are you #TeamSerena? Tune-in at approximately 7pm ET on @espn for a 50th anniversary battle of two #tennis icons. 🎥 @fcphotography __ #wta #tennis #sports #serena #serenawilliams #arthurashestadium #instatennis #instasports #usopen50