Clare Balding presents further coverage of day eight of the third Grand Slam Tournament of the year, held at the All England Club, as the fourth round continues in the men's and ladies' singles competitions. Second seed Aryna Sabalenka produced a commanding display at this stage last year to defeat Ekaterina Alexandrova 6-4, 6-0, but the two-time Australian Open champion's wait for a first Wimbledon title continued when she was defeated in the semi-finals.