Abdullah bin Umar reported,

The Messenger of Allah ﷺ said, "The witr is a single rakah at the end of the night."

Azami 2814

Sahih

عن عبد الله بن عمر قال

قال رسول الله ﷺ: الوتر ركعة من آخر الليل.

الأعظمي 2814صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Prayer
Chapter
Witr prayer
Section
Witr of the Prophet ﷺ with one rakat
Numbering
Jami al-Kamil 2814 (2nd edition)
Azami 2814