Sunan an-Nasa'i 840
سنن النسائي#840SahihIt was narrated that Abu Sa'eed said:"The Messenger of Allah (ﷺ)said: 'If there are three people, let one of them lead the others in prayer, and the one who has the most right to lead the prayer is the one who recites (knows) the most (Qur'an)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 10:64