It was harrowing viewing for New Zealand coach Mark Greatbatch as his side lost their last six first-innings wickets in just 12.1 overs at the start of play.
"I'm not sure whether the technology they've got there is good enough as far as frames per second, " said Greatbatch after an inconclusive replay saw the umpires again rule in the tourists' favour.
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And with Daryl Tuffey ruled out with a broken finger, 19-year-old batsman Williamson - who averages almost 50 in first-class cricket - could yet also earn himself a call is the pitch dries out, said Greatbatch.
"There has been a lot of rain in Hamilton of late and it is fair to say that the conditions we saw today at Seddon Park are far different to those we experienced earlier in the season, " coach and selector Mark Greatbatch said.