Jami` at-Tirmidhi 1326
جامع الترمذي#1326SahihAbu Hurairah narrated that the Messenger of Allah (ﷺ) said:"When the judge passes a judgement in which he strived and was correct, then he receives two rewards. And when he judges and is mistaken, then he receives one reward
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 15:6