’Ali (RAA) narrated that They (the Muslims and the polytheists) engaged in duel combat on the Day of Badr. Related by Al-Bukhari and Abu Dawud reported it as part of a long hadith.

وَعَنْ عَلِيٍّ ‏- رضى الله عنه ‏- { أَنَّهُمْ تَبَارَزُوا يَوْمَ بَدْرٍ } رَوَاهُ اَلْبُخَارِيُّ [1]‏ .‏ وَأَخْرَجَهُ أَبُو دَاوُدَ مُطَوَّلاً [2]‏ .‏