2016 US Open Champion Angelique Kerber returns to the @WTAFinalsSG for the fifth time, facing off against first-timer Kiki Bertens! Who’s walking out with the win? 🇳🇱 or 🇩🇪? Comment below! _ 📸: @KikiBertens 🆚 @Angie.Kerber _ #USOpen #wtatennis #tennis #instatennis #wtafinals #singapore #AngeliqueKerber #KikiBertens #wtafinalssg