THE PRELIMINARY final match-ups are now locked in for week three of the 2020 Toyota AFL Finals Series.

Reigning premier Richmond booked its place in the play-off for a Grand Final spot after defeating St Kilda by 31 points in the semi-final on Friday night.

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The Tigers will travel to Adelaide Oval to take on minor premier Port Adelaide next Friday night.

Following its 68-point win over Collingwood in the semi-final, Geelong will now face Brisbane at the Gabba next Saturday night.

PRELIMINARY FINALS

Friday, October 16
First preliminary final, Port Adelaide v Richmond at Adelaide Oval, 7.20pm ACDT (7.50pm AEDT)

Saturday, October 17
Second preliminary final, Brisbane v Geelong at the Gabba, 6.40pm AEST (7.40pm AEDT)

GRAND FINAL 

Saturday, October 24
Winner of first preliminary final v winner of second preliminary final at the Gabba, 6.30pm AEST (7.30pm AEDT)