Amazing he was even able to play: Expert reveals extent of Djokovic injury [Video]

Novak Djokovic has posted a scan on social media of his left hamstring that forced him to retire from his Australian Open semi-final, and respected sports doctor Peter Larkins said it shows there are no doubts that the tennis star was actually injured.

“It’s a significant strain,” Larkins said. “It’s not career-ending, but I felt it was quite amazing that he was even able to play a couple of matches after he initially did it.

“Novak’s incredibly athletic and mobile on the court. We’ve seen those slides [he does] … There’s no surprise that he was limited. There’s no doubt, that’s what the scan shows.”

Djokovic was unimpressed at being booed by some in the Melbourne crowd when he retired from his match against Alexander Zverev …