A smile of relief, joy, or both? @venuswilliams wins a 3 hour epic battle over Ostapenko, 7-5, 6-7, 7-5 and gets her first win in Singapore at the 2017 #WTAFinals! How about sending Venus a 💪🏽 for that effort! _ #usopen #venus #tennis #singapore #marathon #ostapenko #instatennis