Top seed Tim Henman beat sixth seed Greg Rusedski 6-4, 6-4 in the quarter-finals of the Australian men's hardcourt championship today.
Henman's victory over his fellow Briton gives him a place in the semi-finals against Spain's Alberto Martin who upset third-seeded Swede Thomas Enqvist 3-6, 6-4, 6-3.
Morocco's fourth seed Hicham Arazi beat eighth-seeded Croatian Ivan Ljubicic 4-1 after Ljubicic retired with an elbow injury.
In the fourth quarter-final, Australia's Mark Philippoussis plays giant-killing American Todd Martin, who eliminated second-seeded wildcard entrant and former world number one Pete Sampras in the first round.
In the women's competition top seeds Venus Williams and Justine Henin won their semi-finals today to advance to Saturday's final.
Williams led Russian Nadia Petrova 7-6, 6-5 before Petrova withdrew because of injury. Petrova had been troubled this week by a shoulder-pectoral muscle injury.
Number two seed Henin, the world number seven, beat seventh-seeded Czech Daja Bedanova 6-2, 6-2.