It was narrated that Al-Aswad said:
'Aishah said: "The Messenger of Allah (ﷺ) never entered upon me after 'Asr but he prayed them (the two Rak'ahs)." (TR)
English reference (TR): Vol. 1, Book 6, Hadith 576 (TR)
Arabic reference (TR): Book 6, Hadith 582 (TR)