"A man prayed alone behind the row s the Prophet ordered him to repeat the Salat."
Jami` at-Tirmidhi Book 2, Hadith 83
← Previous Hadith "Ziyad bin Abi Al-Ja'd took me by the hand while we were in Ar Raqqah, he made me stand before a Shaikh who was called Wabisah bin Ma'bad, from Bani Asad. Ziyad said: 'This Shaikh narrated to me that a prayed alone behind the row' - and the Shaikh was listening - 'so Allah's Messenger ordered him to repeat the Salat.'"

Jami` at-Tirmidhi Book 2, Hadith 82 Next Hadith → "I prayed with the Prophet one night. I stood at his left, so Allah's Messenger took me by my head, from behind me, to put me on his right (side)."

Jami` at-Tirmidhi Book 2, Hadith 84