Giant-killer Jana Cepelova dumps out second seed Garbine Muguruza

Reigning French Open champion Garbine Muguruza crashed out of Wimbledon as world number 124 Jana Cepelova created a major upset.
In the biggest shock yet of this year's championships, Cepelova took the scalp of a player who was also runner-up at Wimbledon to Serena Williams 12 months ago.