Has an Olympic Basketball (Men) game ever ended 89-76?
Exactly once. On July 31, 2021, Australia beat Germany 89-76, and no Olympic Basketball (Men) game before or since has ended that way. When it happened it was a scorigami, the first 89-76 in league history.
That makes 89-76 the 126th most common final score out of 698 that have ever occurred in Olympic Basketball (Men). One point away, 90-76 has happened 1 times and 89-77 has happened never.