After strong performances in their opening @WTAFinalsSG matches, who will come out with the win? 🇺🇸 or 🇳🇱? Sound off below! 📸: @sloanestephens 🆚 @kikibertens _ #USOpen #wtatennis #tennis #instatennis #wtafinals #singapore #SloaneStephens #KikiBertens #wtafinalssg