He made his debut in the Ukrainian Premier League in a match against Zorya Luhansk on 12 August 2018,[1] but then played in competitions for reserves.

That season he played 7 matches for the senior side and made a debut at continental club competitions on 26 November 2019 in an away tie against Manchester City.

On 4 October 2023, he scored his first Champions League goals, by netting a brace for Shakhtar in a 3–2 away win over Royal Antwerp.

[4] Sikan was a part of the Ukraine national U-20 football team that won the 2019 FIFA U-20 World Cup.

[5] Sikan scored his first goal for Ukraine on 1 September 2021 against Kazakhstan, the day of his debut for the team, coming on as an 82nd minute substitute.