King joined the club from Australian side Melbourne Storm in 2007 and has become a popular figure at the club.

BBC: Matt King undecided on Warrington Wolves future

The 29-year-old Australian, who moved to England from Melbourne Storm in 2007, says it was the experience of playing cricket with his five brothers and his sister as a child in Casino, New South Wales, which helped him develop such a simple idea.

BBC: Warrington's Matt King is the inventor of the 'Crackit'

Isner, a winner of five titles since turning pro in 2007, has never advanced beyond the fourth round of the Melbourne grand slam.

CNN: U.S. No. 1 Isner out of Australian Open