Andy Murray and Johanna Konta will try to reach the Wimbledon quarter-finals as the men's and women's fourth-round singles matches are played on Monday.
The pair will attempt to give Britain a man and woman in the last eight for the first time since 1973.
Sixth seed Konta plays France's 21st seed Caroline Garcia in the opening match on court one at 13:00 BST.
Defending champion Murray plays Frenchman Benoit Paire on Centre Court at about 15:00.
A packed schedule includes eight men's and eight women's singles matches, and spectators began queuing over the weekend for the remaining tickets.