Summary

  • Defending champion Serena Williams out in second round

  • Top seed loses 6-2 6-2 to Spain's Garbine Muguruza

  • Novak Djokovic sees off Jeremy Chardy 6-1 6-4 6-2

  • Roger Federer beats Diego Sebastian Schwartzman 6-3 6-4 6-4

  • * denotes next server