Sunan Abi Dawud 366
سنن أبي داود#366SahihNarrated Umm Habibah: Mu'awiyah ibn AbuSufyan asked his sister Umm Habibah, the wife of the Prophet (ﷺ): Would the apostle of Allah (ﷺ) pray in the clothe in which he had an intercourse? She said: Yes, when he would not see any impurity in it
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: 1:366