A team has finished a game with 12-8 singles and extra-base hits 109 times since 1897, most recently Milwaukee Brewers on 8 August 2024. That is about one every 4,064 team-games.
Box score for the most recent one ↗
12-2 12-3 12-4 12-5 12-6 12-7 12-8 12-9 12-10 12-11 12-12 12-13 13-0
The whole distribution — Singles and Extra-Base Hits · All 18 shapes