After Post 8, that is.
Refresher course, consecutive winning points needed for runout (7-point games):
Post 1 - 7
Post 2 - 7
Post 3 - 6
Post 4 - 6
Post 5 - 6
Post 6 - 5
Post 7 - 5
Post 8 - 4
More points needed for the low posts, but they play first and have the first chance. And, of course, it ought to be reflected in the payoff odds.
Different for singles and doubles, e.g., Post 7 receiving first time up