‘Abd Al Rahman bin Safwan said “I asked ‘Umar bin Al Khattab How did the Apostle of Allaah ﷺ do when he entered the Ka’bah? He said “He offered two rak’ahs of prayer.” (Using translation from Abū Dāʾūd 2026)
قُلْتُ لِعُمَرَ بْنِ الْخَطَّابِ ؓ كَيْفَ صَنَعَ رَسُولُ اللهِ ﷺ حِينَ دَخَلَ الْكَعْبَةَ؟ قَالَ صَلَّى رَكْعَتَيْنِ