Originally posted on 11/24/2018:

Quote Originally Posted by milwaukee mike View Post
the reason for the final round matchup rule is as follows

tiger -8 after round 3
dj -6 after round 3
spieth -5 after round 3

tiger and spieth get into a playoff, and tiger birdies 3 playoff holes in a row to win... but he had a head-head matchup for rd 4 against dj (who beat him by 1 shot but didn't get into the playoff)

so dj wins the round 4 matchup because those playoff holes don't count
Exactly this. That's the only reason for the 'final round' language and Phil vs. Tiger was clearly not a 'final round'.

For anyone who bets golf, this is open and shut.

It should be graded exactly the same as WGC matchups.