(138) باب مَنْ تَرَكَ الْقِرَاءَةَ فِي صَلاَتِهِ بِفَاتِحَةِ الْكِتَابِ
'Ubadah b. al-Samit reported the Messenger of Allah (ﷺ) as saying :
the prayer is not valid I one does not recite fatihat al-kitab and something more, sufyan( the narrator) said: This applies to a man who prays alone.
Reference: Sunan Abi Dawud 822
In-book reference: Book 2, Hadith 432
English translation: Book 2, Hadith 821