US Sloane Stephens celebrates after defeating US Venus Williams during the women's first round at the Roland Garros 2015 French Tennis Open in Paris on May 25, 2015. AFP PHOTO / MIGUEL MEDINA (Photo credit should read MIGUEL MEDINA/AFP/Getty Images)
US Sloane Stephens celebrates after defeating US Venus Williams during the women's first round at the Roland Garros 2015 French Tennis Open in Paris on May 25, 2015. AFP PHOTO / MIGUEL MEDINA (Photo credit should read MIGUEL MEDINA/AFP/Getty Images)