A team has finished a game with 9-12 singles and extra-base hits 10 times since 1897, most recently Cleveland Guardians on 21 July 2018. That is about one every 44,300 team-games.
Box score for the most recent one ↗
9-6 9-7 9-8 9-9 9-10 9-11 9-12 9-13 9-14 10-2 10-3 10-4 10-5
The whole distribution — Singles and Extra-Base Hits · All 18 shapes