Abu Hurairah reported,

When the Messenger of Allah ﷺ rose from the second rakah, he would begin the recitation with "Praise be to Allah, Lord of the worlds" [Fatihah 1:2] without pausing.

Azami 1948

Sahih

عن أبي هريرة يقول

كان رسول الله ﷺ إذا نهض من الركعة الثانية استفتح القراءة ب {الحمد لله رب العالمين} ولم ىسكت.

الأعظمي 1948صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Prayer
Chapter
Description of prayer, the takbir, standing, and recitation
Section
What is said to begin the prayer from supplication
Numbering
Jami al-Kamil 1948 (2nd edition)
Azami 1948