Federer and Murray stay on collision course

ROGER FEDERER and Andy Murray stayed on course for a Wimbledon final clash with straight-sets victories in the quarter-finals yesterday.

Title favourite Federer defeated big-serving Ivo Karlovic 6-3 7-5 7-6 (7/3) to reach his 21st consecutive grand slam semi-final, while third seed Murray was also a winner on Centre Court, beating wild card Juan Carlos Ferrero 7-5 6-3 6-2.