Sunan Abi Dawud 2648
سنن أبي داود#2648SahihAbu Sa’id said “The verse “If any do turn his back to them on such a day” was revealed on the day of the Battle of Badr.”
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiIsnaad Sahih
In-book reference: 15:172