Narrated 'Abdullah bin az-Zubair (RA):
Allah's Messenger (ﷺ) ruled that the two opposing parties in a dispute should sit in front of the judge.[Reported by Abu Dawud. al-Hakim graded it Sahih (authentic)]. (ES)
Reference (ES): Bulugh al-Maram 1413 (ES)
In-book reference (ES): Book 14, Hadith 17 (ES)
English translation (ES): Book 14, Hadith 1413 (ES)