Day eight saw the last Australian - Lleyton Hewitt - tumble out of the Open.
TENNIS legend Martina Navratilova has declared current world number Caroline Wozniacki unworthy of the top ranking and has condemned the ranking system.
FORMER world number one Lleyton Hewitt has tumbled out of the Australian Open with a 6-1, 6-3, 4-6, 6-3 defeat to Novak Djokovic.
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