Mercurial Kyrgios is box office at Wimbledon

There is probably no one in tennis who polarises opinion more than the volatile Australian Nick Kyrgios.

He has certainly been making his presence felt at Wimbledon.

After Rafael Nadal pulled out of yesterday’s semi-final match against Kyrgios with an injury, the 27-year-old suddenly finds himself in his first Grand Slam final.

For some, Kyrgios is a disagreeable, explosive character lacking respect for the game with his on-court antics designed to distract his opponents.

For those who value sportsmanship, he is a bit hard to take.

Others see him as an entertainer and a welcome free spirit who thumbs his nose up at officialdom and conventional behaviour.

His biggest asset is that underneath the circus act he is a very talented player with the most blistering serve in the business.

That is apart from the occasional underarm effort which, though perfectly…