Serena wadda sau 15 ta na daukar kofin babbar gasar tennis ta na gaban Stephens wadda ita ma ba Amurkiya ce a karawar tasu amma bayan da aka yi mata maganin ciwon bayan da ya ke damun ta a lokacin wasan sai matashiyar 'yar wasan ta wuce ta da maki 3-6 7-5 6-4.
