Chinas top player Zhang Shuai lasted barely 90 minutes in this years Indian Wells Masters singles draw in California, before she was eliminated by world No 58 Marta Kostyuk in three sets at tennis unofficial fifth slam.Zhang, the world No 48, went down 6-1, 1-6, 6-2 to the 19-year-old and leaves Zheng Saisai as the only Chinese player left in the singles draw. She meets Polish qualifier Magdalena Frech in her first assign
