A team has finished a game with 19-28-1 runs-hits-errors line 4 times since 1897, most recently Homestead Grays on 22 August 1943. That is about one every 110,751 team-games.
Box score for the most recent one ↗
19-25-1 19-26-1 19-26-2 19-26-0 19-27-1 19-27-0 19-28-1 19-28-0 20-0-0 20-3-0 20-11-1 20-13-1 20-14-0
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes