"If games get pushed out there is scenario they will be postponed. We've looked at that as well.
"It could be we go to New Zealand a little later on in the season. If that's pre-autumn we'd have to play them, come back and play another series of matches.
Pivac added that his side's final round Six Nations match against Scotland needs to be completed. Wales last took to the pitch on March 7 against England.
"You could end up with the New Zealand matches, Scotland and a full autumn programme in a period of weeks," he added.
"Every nation will be in the same boat – it's not that Wales would be singled out or have more games."
The future of the current Super Rugby season and the All Blacks 2020 fixtures remain up in the air as New Zealand sits in level three lockdown. It seems unlikely the Super Rugby season will continue with talks of New Zealand sides playing their own domestic competition.
The Rugby Championship also remains in doubt with no known schedule on when New Zealand and Australia will open their borders again.