Has a FIBA World Cup game ever ended 101-82?
Exactly once. On September 14, 2018, Italy beat Poland 101-82, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 101-82 in league history.
That makes 101-82 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 102-82 has happened never and 101-83 has happened 2 times.