Revealed: Novak Djokovic was told about 'Rune' chants NOT being boos three years ago... after the Serbian star accused the Wimbledon crowd of 'DISRESPECT' in a live BBC interview

Djokovic had been confused by similar chants at the 2021 US Open when a then 18-year-old Rune won the second set of their first round match, before the Serbian star triumphed in four sets.