#USOpen 50 for 50: @angie.kerber. 2016 was the year of Kerber, making 3⃣ Grand Slam finals, and winning two 🏆 including the title in Flushing Meadows. What's in store for Kerber at the US Open in 2018? Comment ⬇️! #USOpen50 _ #wta #tennis #kerber #instatennis #instasports #usopentennis #angeliquekerber