Has an AFL game ever ended 198-107?
Exactly once. On July 31, 1987, Sydney beat Richmond 198-107, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 198-107 in league history.
That makes 198-107 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 199-107 has happened never and 198-108 has happened never.