Has a FIBA World Cup game ever ended 69-51?
Exactly once. On June 16, 2021, Ecuador beat Bolivia 69-51, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 69-51 in league history.
That makes 69-51 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 70-51 has happened 1 times and 69-52 has happened 1 times.