The ruling on praying Witr as a single rak'ah

Question:
So it is obligatory for you to pray every rak'ah as a single unit, and for the one who is greater in his prayer.

Answer:
Yes, it is permissible to ease the matter by praying a single rak'ah. This is based on the hadith that was mentioned, This is the view of a group of the Companions. There is no harm in the prohibition regarding praying a single rak'ah and considering it a secret. If he prays an even number before it, that is better. The minimum of perfection is three rak'ahs, and the most desirable maximum is ten rak'ahs. The highest level of perfection in Witr is eleven rak'ahs, and the minimum of perfection is three rak'ahs. The sufficient amount is a single rak'ah. Yes.