Jami` at-Tirmidhi 60
جامع الترمذي#60SahihAmr bin Amir Al-Ansari narrated that he heard Anas bin Malik saying:"The Prophet would perform Wudu for every Salat." I said, "So what about you, what would you do?" He said I wouId pray all of the prayers with one Wudu, as long as we had not committed Hadath (anything that invalidates Wudu)
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
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih Bukhari
In-book reference: 1:60