A team has finished a game with 12-10 singles and extra-base hits 17 times since 1897, most recently Philadelphia Phillies on 6 September 2024. That is about one every 26,059 team-games.
Box score for the most recent one ↗
12-4 12-5 12-6 12-7 12-8 12-9 12-10 12-11 12-12 12-13 13-0 13-1 13-2
The whole distribution — Singles and Extra-Base Hits · All 18 shapes