The Prophet ﷺ was informed that a man had killed himself. He said, "In that case, I will not pray over him."
حدثنا حميد بن عبد الرحمن الرؤاسي حدثنا زهير عن سماك
أن النبي ﷺ أخبر أن رجلا قتل نفسه قال إذن لا أصلي عليه
Its isnad is sahih. It was mentioned previously at 20695 in a similar wording.