Caroline Wozniacki has suffered a second-round defeat at Wimbledon against world number 196 Petra Cetkovska.
The Danish ninth seed took a fall early in the opening set and needed treatment on her ankle before Cetkovska closed it out 6-2.
Former world number one Wozniacki struggled to recover and eventually succumbed 6-2 in the second.
Cetkovska's reward for winning is a third-round encounter with either American 17th seed Sloane Stephens or Germany's Andrea Petkovic.
