A team has finished a game with 9-10-6 runs-hits-errors line 4 times since 1897, most recently Chicago Cubs on 17 May 1939. That is about one every 110,751 team-games.
Box score for the most recent one ↗
9-10-2 9-10-0 9-10-3 9-10-4 9-10-7 9-10-5 9-10-6 9-11-5 9-11-6 9-11-3 9-11-4 9-11-0 9-11-2
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes