A profligate Sania Mirza squandered four match points to crash out of the women’s singles event of the Wimbledon Championships as she lost her second round match 0-6 6-4 7-9 to qualifier Maria Jose Martinez Sanchez here on Thursday.

The 21-year-old Indian did manage to overcame a sloppy start after losing the first set on love but awful misses on easy points proved fatal for her.