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)]. (ID)
Reference (ID): Bulugh al-Maram 1413 (ID)
In-book reference (ID): Book 14, Hadith 17 (ID)
English translation (ID): Book 14, Hadith 1413 (ID)