A team has finished a game with 6-15-5 runs-hits-errors line 11 times since 1897, most recently Pittsburgh Pirates on 4 July 1982. That is about one every 40,273 team-games.
Box score for the most recent one ↗
6-15-3 6-15-1 6-15-2 6-15-6 6-15-4 6-15-0 6-15-5 6-15-7 6-16-3 6-16-1 6-16-2 6-16-5 6-16-0
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes