Ronaldo signed a four-year deal with the Serie A giants in 2018 and has gone on to score 53 goals in 75 appearances.
Despite sporadic links with Ligue 1 champions Paris Saint-Germain, Tuttosport believes the 34-year-old will remain in Turin for another two years.
The Portugal international is said to have an "excellent" relationship with the club's hierarchy and remains eager to help Juventus secure a ninth consecutive league title once play resumes.
The Serie A season has been suspended since March due to the coronavirus pandemic, though Prime Minister Giuseppe Conte has since announced the competition could resume in June.
Juventus currently hold a one-point lead over Lazio at the top of the standings, with 12 games still to be played.
