Sue Barker presents live coverage from this year's Wimbledon, with matches from the Singles third round. Top men's seed Roger Federer is in action against France's Marc Gicquel on Centre Court, while Serbia's Ana Ivanovic, the ladies' favourite, takes on Jie Zheng of China on Court 1. Serena Williams, David Ferrer, Lleyton Hewitt and Amelie Mauresmo are also in action. Show less