(615) بَابُ إِثْمِ مَنْ لَعِبَ بِالنَّرْدِ
Abu Musa reported that the Prophet, may Allah bless him and granthim peace, said, "Anyone who plays backgammon has rebelled against Allahand His Messenger."
Reference: Al-Adab Al-Mufrad 1272
In-book reference: Book 54, Hadith 14
English translation: Book 54, Hadith 1272