Williamson ready for Aussie plans: NZ

New Zealand coach Mike Hesson has welcomed Australia's plan to bore Kane Williamson into submission during the day-night Test.

Ross Taylor broke all manner of records with his knock of 290 in the drawn Test, but it's Williamson that remains the key wicket for the hosts.

The 25-year-old posted a ton in both Brisbane and Perth, looking incredibly comfortable at the crease and scoring freely.

Peter Siddle vowed Australia must tighten up while bowling to Williamson in the pink-ball game that starts on Friday.

Siddle's sound theory is the resultant dot-ball pressure could bore the gun batsman, resulting in a rare lapse.

"Many sides have tried different things against Kane, some have been more successful than others," Hesson said.

"Kane will just do the same thing he does normally, watch the ball and just see what happens.

"He's playing well. He's a really un-flustered sort of character.

"I don't think he will have read it (Siddle's comments)."

Hesson noted Williamson's attitude was playing a major part in his purple patch.

"He never gets too far ahead of himself so you'd never know whether he got a hundred in the last game or missed out," he said.

"He's in a good space."

Williamson, regarded as the best batsman in the world by some pundits, could finish the series atop the ICC's Test batting rankings.

Already NZ cricket icons Richard Hadlee and Martin Crowe believe the 25-year-old will finish as the nation's greatest batsman.

Williamson has always been rated highly in his homeland, but his profile is now rising around the world after scoring five tons in his past seven Tests.

"He's averaged over 60 for two years all around the world, against some very good attacks," Hesson said.

"We've been lucky enough to see him adapt his game to different conditions.

"He's a very fine young player and one of the best in the world. We're lucky to have him in our side."