The Book of Prayer

Bulugh al-Maram #502

كتاب الصلاة

وَلَهُ عَنْ طَلْقٍ «لَا صَلَاةَ لِمُنْفَرِدٍ خَلْفَ اَلصَّفِّ»

Ibn Hibban reported this from Talq:

“The prayer of a person who prays alone behind the row is not accepted.

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