Ronaldo showed no signs of lacking form, as he pulled off several tricks in training.
The Portuguese superstar who completed a £100m move to Juventus from Real Madrid was involved with several teammates as he participated in training drills.
Ronaldo demonstrated his popular work ethic which has seen him rise to the pinnacle of world football in training with Juventus.
The 33-year-old showed no signs of slowing down from the 2018 FIFA World Cup as he continued to put in hard work in the training regime.
From tricks and flicks to individual training regime and later agility test and physical ball work were the drill Ronaldo took part in with relative ease to the pleasure of Juventus supporters on show.
After the training session, Ronaldo took some time out to sign autographs and take photos with supporters.
The Portugal captain will not participate in the International Champions Cup (ICC) along with teammates Rodrigo Bentancur, Juan Cuadrado, Paulo Dybala, Douglas Costa who also participated in the knockout stages of the World Cup.
Ronaldo who is among the nominees for the FIFA Best Awards is expected to make his Serie A debut when Juventus play Chievo in Verona in their opening game of the campaign scheduled for Sunday, August 18.