A team has finished a game with 15-15-0 runs-hits-errors line 53 times since 1897, most recently Houston Astros on 21 August 2021. That is about one every 8,358 team-games.
Box score for the most recent one ↗
15-14-0 15-14-1 15-14-7 15-15-3 15-15-1 15-15-4 15-15-0 15-15-2 15-15-5 15-16-2 15-16-3 15-16-0 15-16-5
The whole distribution — Runs-Hits-Errors Lines · All 18 shapes