A team has finished a game with 15-5 singles and extra-base hits 136 times since 1897, most recently Houston Astros on 18 June 2025. That is about one every 3,257 team-games.
Box score for the most recent one ↗
14-14 15-0 15-1 15-2 15-3 15-4 15-5 15-6 15-7 15-8 15-9 15-10 15-11
The whole distribution — Singles and Extra-Base Hits · All 18 shapes