"In the second half they felt their legs a little more under them so they had a bit more confidence," Kenny said of the world No31 side, whose performance, critics will argue, is reflected in the first score against the world No19-ranked Tall Blacks.
"I don't expect the next two games to have such a big margin," Kenny said.
The third test is in Auckland on Saturday.
He hopes to play in that game as Vucinic and assistant coaches Paul Henare and Pero Cameron tweak combinations before a tour of Asia and Europe, in the build-up to the World Cup in Spain next month.
The little general's position is of particular concern to the coaching stable, but Kenny has found himself among sweaty teammates, passing around the container of snake lollies because of a foot injury.
"It's so frustrating. An MRI scan shows a strain of the deltoid ligament inside my left foot," he said, keeping his fingers crossed for game time on Saturday.
Kenny had a stellar season, with efficient floor management for the Hawks in the Bartercard National Basketball League (NBL) although he rode the wave of agony with the Tab Baldwin-coached side who succumbed 85-69 in the grand final a fortnight ago in Wellington.
Wellington Saints point guard Lindsay Tait started on Tuesday night with Tai Webster on the bench after a delayed arrival from the United States.
With Korea lifting the tempo, Tait and shooting guards Corey Webster, of Wellington, and Hawk Everard Bartlett didn't find as much time as they would have found in the NBL for a look at the rims.
"No, it didn't go Everard's way in a tighter game," Kenny explained, adding "there's a lot of difference between international and New Zealand league game so there's little time and space to get quality shots in."
Kirk Penney is the first-choice shooting guard but long-haired Isaac Fotu was outstanding off the boards.
Kenny said the Tall Blacks squad offered a competitive environment but didn't think it was too tricky for them to find cohesiveness in their systems.
"It's exciting to play with young guys like Fotu and it's not too hard to fit in so I'm hoping to make an impression on Saturday," he said, adding Vucinic was happy but had stressed there was room for improvement.
Based in Auckland until early next year, Kenny has put his feelers out like Bartlett for ANBL or overseas contracts.
"There's nothing at the moment," said the man who trained with the New Zealand Breakers last ANBL season.
Bartlett, who has had a stint with the Perth Wildcats in the ANBL in 2012-13, said he was unfortunate to be cut loose when the franchise coaching stable changed.
"I had a phone call in the middle of last season [that he was no longer in the Wildcats squad].
"It's a waiting game and my agents are on to it," said Bartlett, whose wife and children are based in Perth.
