Matuidi, who was on media duties in Russian Federation on Wednesday ahead of Friday's quarter-final tie with Uruguay, was quizzed on the possibility of playing with the 33-year-old at the Allianz Stadium next season.
"I do not know whether or not it will go to Juventus, but I believe it will remain in Real Madrid", he told Mundo Deportivo.
Despite the glut of silverware, however, the five-times world player of the year has endured frequent fallouts with Real and has declared on several occasions that he wants to leave the club.
"I think Madrid have interest in him, but I do not know about any offers or any potential bids, but it would be almost impossible to sign a player who can sell a lot like him". However, today I'm a player of the French national team and we have bigger fish to fry, no?'
Eden Hazard sees Belgium benefits to Romelu Lukaku home truths
In celebration of our City Centurions' remarkable, record-smashing season, we are running a 100-themed summer feature. We're facing the best team in the world. "Look, I think it's more an attempt to undermine me than anything else".
Ronaldo enjoyed a successful personal World Cup, scoring four goals as Portugal advanced from the group stages, facing Uruguay in the last 16.
However, Matuidi will have to watch from the dugout as he is serving a one-game suspension for picking up two yellow cards.
As rumours of a potential Cristiano Ronaldo move have been spreading, Juventus have seen their stock market shares raise by 5.89% on Wednesday.
France will be favourites to win with Edinson Cavani a doubt through injury, but Matuidi says his former Paris Saint-Germain team-mate could cause his country problems if he's fit. "I'll give a response in the coming days".
"But there are injuries that can be quickly healed and others for which there is no miracle cure".