[3] Choe took the matter to court, and the Italian Football Federation ruled that the club was obligated to continue honoring the contract.

Subsequently, Fiorentina appealed to the Court of Arbitration for Sport, arguing that the contract should be invalidated because they were not aware that it violated international sanctions at the time of its signing.

[9] After only two appearances with the club (both with the under-19 squad), Choe was loaned out to fellow Serie C side Olbia in January 2018.

[1] He made his long-awaited professional debut on February 25, replacing Roberto Biancu in the late minutes of a 1–0 defeat to Robur Siena.

[11] He made just 2 appearances in the league (16 minutes of field time) in the next 1.5-years, and on 31 January 2020, his Arezzo contract was terminated by mutual consent.