 Simbira ku birimwo Imice Urupapuro rwitangiriro Ibiyaga binini Afrika Mpuzamahanga Imikino Video Urupapuro rwitangiriro Ibiyaga binini Afrika Mpuzamahanga Imikino Video Sloane Stephens yatsinze US Open 10 Ukwicenda 2017 Ahavuye isanamu, Reuters Insiguro yisanamu, Sloane Stephens ibumoso ahobera Madison Keys umukino urangiye. 