Sloane Stephens has enjoyed a successful year on the tour and is hotly tipped for success . The Australian was world number one in doubles last season but lost to Serena Williams at Wimbledon after being down two sets before winning 6-4, 7-6 (5). She is the daughter of former NFL player John Stephens and ex-swimmer Sybil Smith . Rising star looking to build on promising runs at Wimbledon and the French Open earlier this year .
Sloane Stephens has enjoyed a successful year on the tour and is hotly tipped for success . The 19-year-old will play Italy 's Francesca Schiavone in the opening round of the U.S. Open . She is the daughter of former NFL player John Stephens and ex-swimmer Sybil Smith . Rising star looking to build on promising runs at Wimbledon and the French Open earlier this year .