A team has finished a game with 6-12-5 runs-hits-errors line 30 times since 1897, most recently Arizona Diamondbacks on 14 August 2019. That is about one every 14,766 team-games.
Box score for the most recent one ↗
6-11-6 6-11-8 6-11-10 6-12-3 6-12-2 6-12-0 6-12-5 6-12-6 6-12-4 6-12-1 6-12-8 6-12-7 6-12-9
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes