‪Coming up on Tennis Channel Plus, doubles partners Bethanie Mattek-Sands & Lucie Safarova face off LIVE from the Volvo Car Open!‬ Subscribe at BuyTCPlus.com ‪http://tennischannel.com/about/ashley-ndebele/mattek-sands-safarova-set-up-second-round-clash-in-charleston‬

Charleston, S.C. -- Good friends and doubles partners Bethanie Mattek-Sands and Lucie Safarova won their respective first round singles matches of the Volvo Car Open in Charleston on Tuesday.In an all-American match, Mattek-Sands defeated 18-year-old Sofia