London: World No. 1 Ashleigh Barty booked her maiden place in the fourth round at Wimbledon on Saturday while Serena Williams made the second week for the 16th time.

Barty overwhelmed British wild card Harriet Dart 6-1, 6-1 while seven-time champion Williams, 37, produced her most convincing display in dispensing with German Julia Goerges 6-3, 6-4.