HEADING into the final round of the home and away season, Melbourne sits atop of the AFL ladder, with the double chance secured.

But despite being locked inside the top four, uncertainty remains around who the Demons will face in their Qualifying Final.

On the back of three crucial Round 23 matches, there are six scenarios that could unfold for the Demons.

Take a look below at all the possible outcomes ahead of the first week of the finals series.

Scenario 1 – Melbourne (1) v Port Adelaide (4)

Melbourne will host Port Adelaide in a home final if:

Melbourne defeats Geelong AND the Western Bulldogs defeat Port Adelaide.

Scenario 2 – Melbourne (1) v Brisbane (4)

Melbourne will host Brisbane in a home final if:

Melbourne defeats Geelong AND Port Adelaide defeats the Western Bulldogs AND Brisbane defeats West Coast and make up 1.8 percent on the Dogs (approximately a 30-point differential eg. If the Dogs lose by 10 points, the Lions will need to win by 20 points).

Scenario 3 – Melbourne (1) v Western Bulldogs (4)

Melbourne will host the Western Bulldogs in a home final if:

Melbourne defeats Geelong AND Port Adelaide defeats the Western Bulldogs AND Brisbane is defeated by West Coast, or Brisbane defeat West Coast but fail to make up 1.8 percent on the Dogs.

Scenario 4 – Melbourne (2) v Western Bulldogs (3)

Melbourne will host the Western Bulldogs in a home final if:

Geelong defeats Melbourne AND the Western Bulldogs defeat Port Adelaide.

Scenario 5 – Geelong (2) v Melbourne (3)

Geelong will host Melbourne in a home final if:

Geelong defeats Melbourne AND Port Adelaide defeats the Western Bulldogs and make up 1.3 percent on the Cats (approximately a 20-point differential eg. If the Cats win by 10 points, the Power will need to win by 30 points).

Scenario 6 – Port Adelaide (2) v Melbourne (3)

Port Adelaide will host Melbourne in a home final if:

Geelong defeats Melbourne AND Port Adelaide defeats the Western Bulldogs but fail to make up 1.3 percent on the Cats.