Well thank heaven for Nick Kyrgios. The lavishly inked, blinged and barbered Aussie is quite one of the most thrilling spectacles in tennis. And in a so-far magnificent Wimbledon he has caught the eye more than most. Just as he would want. Much pursing of tennis writers’ lips at Kyrgios’s behaviour during his defeat by the beautifully cultivated Frenchman Richard Gasquet, but really what was the harm?

After being ticked off for swearing, Kyrgios went on a brilliantly childish sulk, not bothering to try in Gasquet’s next service game, deliberately steering one ball into the net and just walking away from...