The Prophet ﷺ did not perform the funeral prayer over a man who had killed himself.
حدثنا عبد الله حدثني سويد بن سعيد حدثنا شريك عن سماك
أن النبي ﷺ لم يصل على رجل قتل نفسه
Its isnad is hasan, mentioned previously at 20751.