Has a FIBA World Cup game ever ended 87-64?
Yes. FIBA World Cup has seen a final score of 87-64 2 times. It first happened on September 2, 2002, when Spain beat Turkey, and most recently on August 30, 2014, when Greece beat Senegal.
That makes 87-64 the 77th most common final score out of 863 that have ever occurred in FIBA World Cup. One point away, 88-64 has happened 2 times and 87-65 has happened never.