Has a FIBA World Cup game ever ended 98-52?
Exactly once. On July 1, 2022, Australia beat Japan 98-52, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 98-52 in league history.
That makes 98-52 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 99-52 has happened never and 98-53 has happened 1 times.