The disgruntled fans are seeking compensation for the Portuguese star's absence in Seoul
Cristiano Ronaldo's failure to get on the field during a recent Juventus friendly has caused football supporters in South Korea to take legal action against the match organisers.
The superstar forward stayed on the bench for the whole 90 minutes during Juve's 3-3 draw with the K-League All Stars team at Seoul World Cup Stadium last week.
Fans who attended the game are said to have suffered "mental anguish" by Ronaldo's non-appearance, after organiser The Fasta Inc alleged the 34-year-old was contractually obligated to play in the match.