seed Muguruza was leading the match between the two former world No 1s
6-1 3-1 when Azarenka decided she was unable to continue because of an
injury to her right leg.
"It's unfortunate I couldn't give my
best today, but I tried my hardest," a tearful Azarenka, who had not
previously reached a final since the birth of her first child in
December 2016, said at the presentation.
received treatment on her leg during a medical time-out between sets,
but it became apparent as the second set began that her movement had
become significantly hampered.