Has a FIBA World Cup game ever ended 64-58?
Exactly once. On September 2, 2014, Ukraine beat Turkey 64-58, and no FIBA World Cup game before or since has ended that way. When it happened it was a scorigami, the first 64-58 in league history.
That makes 64-58 the 475th most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 65-58 has happened 5 times and 64-59 has happened 2 times.