A team has finished a game with 12-5 singles and extra-base hits 825 times since 1897, most recently New York Mets on 2 September 2025. That is about one every 536 team-games.
Box score for the most recent one ↗
11-17 12-0 12-1 12-2 12-3 12-4 12-5 12-6 12-7 12-8 12-9 12-10 12-11
The whole distribution — Singles and Extra-Base Hits · All 18 shapes