Seles through as Garrigues retires

Australian Open fourth round, Melbourne

Monica Seles (US) bt A Medina Garrigues (Spa) 4-2 retired

Four-time champion Monica Seles reaches the quarter-finals after her opponent retires injured

Spain's Anabel Medina Garrigues collapses in agony with a knee injury which ended her challenge

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Martina Hingis (Swi) bt Amanda Coetzer (SA) 6-1 6-0

Martina Hingis made easy work of the dimutive South African, who only won one match

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Venus Williams (US) beat M Maleeva (Bul) 6-0 6-3

Venus Williams stretches for a backhand return in her comphrehensive victory over the Bulgarian

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Third round action

Justine Henin (Bel) bt Nicole Pratt (Aus) 6-4 6-0

On Saturday, Henin initially found Pratt a tough opponent, but soon impressed her quality on the Australian