It is wonderful sight when the Black Caps left-hander plays with aggression.
Remarkably, he has smashed three twenty20 international hundreds but has not yet reached the milestone in a one-day international.
He got very close in the tense 21-run win against Sri Lanka on Saturday night.
He was run out on 87. While it was disappointing to fall short, it was his first time past 50 in almost a year.
"I was a little bit frustrated but in the meantime it is a win for me compared to my last couple of innings," Munro said.
"To make a contribution to a good team score was the most pleasing aspect."
Munro, the T20 specialist, and Munro, the one-dayer opener, should not be confused. It is the same person but they are vastly different characters. Munro’s T20 record is quite astonishing. In 48 games for the Black Caps he has scored 1277 runs at a staggering strike rate of 161.23. To put that in context, it is the second highest strike rate in the format.
His production in one-day cricket has been rather more modest — 1047 runs at an average of 26.17 in 45 games.
Munro is a free spirit who seems to operate at his best without the brake pedal.
"That is my biggest work-on," he said before the third one-day against Sri Lanka in Nelson today.
"In twenty20 it is a bit of hit and fun and you can go from ball one. If you do get out, that is the nature of the beast."
But in one-day cricket you have longer to bat and need to adjust to the conditions "and the situation of what the team needs".
"You might lose a couple of early wickets and you have to knuckle down and play the longer game."
He appeared to play with more patience on Saturday and perhaps we will see a more reserved Munro again today.
The Black Caps lead the series 2-0 and will be hoping for a clean sweep. But Sri Lanka will take some momentum into today’s match, following an astounding innings from Thisara Perera.
He almost singled-handedly dragged the touring side through to a shock win with an unbelievable 140 from 74 balls.
"Obviously we saw what they can do," Munro said.
"[Niroshan] Dickwella at the top of the order in the first game and then Thisara Perera played a hell of a knock the other night."
While the Black Caps have already sealed the series win, there is still plenty to play for: India arrives later this month and there is a World Cup to look forward to later in the year.
All-rounder Doug Bracewell has not played in the series. If the Black Caps are serious about exploring his value to the side, he will need to play.
The question is who he would replace. All-rounder Jimmy Neesham has been in wonderful touch with the bat and has had some success with the ball as well, so Bracewell may have to play ahead of one of the seamers.
Trent Boult has not had a rest this series, so perhaps he will be rotated out.
The Black Caps put down five catches in game two, so the team will be looking for a much improved feilding effort.
The bowling at the death will need a tweak as well. Perera pummelled four full tosses from Tim Southee over the ropes in one damaging over.
Black Caps v Sri Lanka
Nelson, today, 11am
New Zealand: Martin Guptill, Colin Munro, Kane Williamson (captain), Ross Taylor, Henry Nicholls, Jimmy Neesham, Tim Seifert, Ish Sodhi, Tim Southee, Lockie Ferguson, Trent Boult, Doug Bracewell, Matt Henry.
Sri Lanka: Niroshan Dickwella, Danushka Gunathilaka, Kusal Perera, Kusal Mendis, Dinesh Chandimal, Asela Gunaratne, Thisara Perera, Seekkuge Prasanna, Lasith Malinga (captain), Lakshan Sandakan, Nuwan Pradeep, Dhananjaya de Silva, Dushmantha Chameera, Kasun Rajitha, Lahiru Kumara, Dasun Shanaka.
