THE Australian Open next year could become the biggest - and busiest - grand slam in tennis, with a Sunday start and a night women's final.

Tennis Australia's annual tournament review will canvass the logistics of expanding the record-breaking tournament to 15 days and 27 sessions.

It almost certainly will formalise a women's singles night final, breaking a 103-year tradition of daylight deciders to follow the lead of the men, who have played the final under lights since 2005.

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