Novak Djokovic thought he heard ‘booing’ at the US Open as he starts his pursuit of history — or did he?

Novak Djokovic started his pursuit of history at the US Open with victory against Holger Rune on Tuesday but said the atmosphere on court was far from ideal.Novak Djokovic started his pursuit of history at the US Open with victory against Holger Rune on Tuesday but said the atmosphere on court was far from ideal.