Andy Murray will face Andy Roddick in the men's semi-finals at Wimbledon.
Murray saw off Juan Carlos Ferrero in straight sets - while Roddick had to battle through five sets against Lleyton Hewitt.
Roger Federer faces Tommy Haas in the other match.
Today, it's the women's semi-finals - and each match pits a Williams sister against a Russian.
Defending champion Venus faces top seed Dinara Safina, while Serena takes on Elena Dementieva.