Starting with Fatihatil-Kitab (The Opening of The Book) before another Surah
باب الْبَدَاءَةِ بِفَاتِحَةِ الْكِتَابِ قَبْلَ السُّورَةِ
Sunan an-Nasa'i, Book of The Commencement of the Prayer(view book)
It was narrated from Anas that:
The Prophet ﷺ, Abu Bakr, and Umar, may Allah be pleased with them both, would start their recitation with: "All the praise and thanks be to Allah, the Lord of all that exists.
أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا أَبُو عَوَانَةَ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، قَالَ كَانَ النَّبِيُّ ﷺ وَأَبُو بَكْرٍ وَعُمَرُ - رضى الله عنهما - يَسْتَفْتِحُونَ الْقِرَاءَةَ بِـ { الْحَمْدُ لِلَّهِ رَبِّ الْعَالَمِينَ }
Classification
It was narrated from Anas:
"I prayed with the Prophet ﷺ and with Abu Bakr and Umar, may Allah be pleased with them both, and they started with "All the praise and thanks be to Allah, the Lord of all that exists."
أَخْبَرَنَا عَبْدُ اللَّهِ بْنُ مُحَمَّدِ بْنِ عَبْدِ الرَّحْمَنِ الزُّهْرِيُّ، قَالَ حَدَّثَنَا سُفْيَانُ، عَنْ أَيُّوبَ، عَنْ قَتَادَةَ، عَنْ أَنَسٍ، قَالَ صَلَّيْتُ مَعَ النَّبِيِّ ﷺ وَمَعَ أَبِي بَكْرٍ وَعُمَرَ - رضى الله عنهما - فَافْتَتَحُوا بِـ { الْحَمْدُ لِلَّهِ رَبِّ الْعَالَمِينَ }