Has a FIBA World Cup game ever ended 69-63?
It has. 69-63 has been a FIBA World Cup final 5 times in 2,041 games. The first was Argentina beat Japan on May 27, 1967; the latest was Greece beat Germany on February 24, 2019.
That makes 69-63 the 22nd most common final score out of 1,178 that have ever occurred in FIBA World Cup. One point away, 70-63 has happened 3 times and 69-64 has happened 2 times. Nearly all of its occurrences fall between 2010 and 2039. At one point the score disappeared for 52 years, between 1967 and 2019.