بُلُوغُ الْمَرَامِ
Bulugh al-Maram 279
The Book of Prayer
وَعَنْ عُبَادَةَ بْنِ اَلصَّامِتِ - رضى الله عنه - قَالَ : قَالَ رَسُولُ اَللَّهِ - صلى الله عليه وسلم -{ لَا صَلَاةَ لِمَنْ لَمْ يَقْرَأْ بِأُمِّ اَلْقُرْآنِ } مُتَّفَقٌ عَلَيْهِ [1]
Narrated 'Ubada bin As-Samit (ﷺ): Allah's Messenger (ﷺ) said: "There is no Salat (prayer) for him who does not recite Ummul-Qur'an (Surat al-Fatiha)". (Agreed upon].
Sunnah.com reference: Book 2, Hadith 159