“The probabilities are getting higher because the years in the past on – though not by a lot,” mentioned Norrie, who’s ranked thirty fifth on the planet.

“The extent he brings and the competitiveness he brings is loopy. Each time I’ve performed him he alters ways and makes it troublesome.

“I am prepared for something – him taking part in unreal, or him not taking part in nice and stopping the match for one thing, then taking part in good.”

Djokovic regarded unsteady on his toes in humid situations throughout his first-round win over Learner Tien and wanted therapy for a blister on his toe.

Seventh seed Djokovic had not performed for six weeks earlier than the US Open and confirmed extra indicators of rustiness on Wednesday, dropping a set towards American qualifier Zachary Svajda.

It’s at all times harmful to counsel Djokovic appears susceptible, and Norrie is actually cautious.

However Norrie’s model of tennis – attempting to make issues bodily and drag Djokovic into an energy-sapping scrap – could possibly be key if the previous world quantity eight is to snap his dropping streak towards the Serb nice.

“”I must beat him with physicality,” mentioned Norrie, who confirmed his personal survival instincts in a four-set battle towards Argentina’s Francisco Comesana on Wednesday.

“I did see the blister however he is the king of adversity. He fights and pushes by way of it.

“I am not going to be a servebot and serve him off the courtroom.”