#NetGeneration ambassador @natalya_is_tennis gives @serenawilliams a fist bump ahead of her first match at the #USOpenSeries @mubadalasvc. Give Serena a 🤛 if you’re cheering for her this week as well! 📹: @natalya_is_tennis _ #usta #netgennetset #serenawilliams #serena #usopenseries #wta #tennis #instatennis