The under-strength Japanese Sunwolves squad will have just two weeks of preparation before they kick off their inaugural Super Rugby campaign.
Coach Mark Hammett has also highlighted the initial problems the new team will have dealing with the extensive travel in the SANZAR competition.
"Most super teams are a month into training - our boys don't get in until February 2 and the first four days are administration," he told Tony Veitch on Newstalk ZB.
"So we've got two weeks of pre-season then a week leading into the Lions game. There's no doubt we are behind the 8-ball and there might be some harsh lessons on the field.
"In time they have a vision of having the best Japanese players in this team, and then they can challenge. But we know it will take some time."