A team has finished a game with 6-18-6 runs-hits-errors line 1 time since 1897, most recently Philadelphia Athletics on 22 April 1915. That is about one every 443,004 team-games.
Box score for the most recent one ↗
6-17-0 6-17-5 6-18-3 6-18-1 6-18-0 6-18-2 6-18-6 6-18-4 6-19-1 6-19-2 6-19-3 6-19-6 6-19-0
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes