It will be just the second time New Zealand and Ireland meet at the World Cup, after a 1995 pool play clash which New Zealand won 43-19.
The match was being tipped as Ireland's most important ever - and Martina said her Garry would be animated for the match too.
"He's a fanatic rugby player so it's quite a serious thing for him. We'll have a bit of banter ... but it's always good banter," she said.
"Garry reckons if New Zealand has to be beaten by anybody, he'd like them to be beaten by Ireland. Obviously, he'd like New Zealand to win.
"I'm expecting Ireland to win of course. I expect it'll be a good game, a close game and it'll be a win for Ireland - if so, I might be looking for a bed."
A couple made up of an All Blacks and South African fan made a pact at the start of the World Cup the losing supporter would either skydive or crossdress.
When asked if Martina and Garry, who now lived in Taupō, had a similar bet, the Irishwoman said she wouldn't dream of it.
"Oh god no and I'm not going to bring it up just in case!"