Ondřej Zmrzlý

Ondřej Zmrzlý (born 22 April 1999) is a Czech professional footballer who plays as a left-back for Slavia Prague.

Club career
Zmrzlý played for the youth team of SK Sigma Olomouc, with which he also played in the 2018–19 UEFA Youth League. He made his senior league debut for Sigma Olomouc on 13 July 2019 in their Czech First League 3–1 away loss against FC Viktoria Plzeň. On 23 August 2019, he made his debut in the starting lineup in Sigma's 2–0 win against FK Teplice. Since then, he has played over 100 matches for Sigma.

On 5 January 2024, Zmrzlý signed a contract with Slavia Prague until June 2027.

International career
Zmrzlý played several matches for the Czech U16 and U20 youth teams. On 16 September 2022, he made his senior national team debut when he played the second half of a friendly match against the Faroe Islands, which the Czech team won 5–0.

Style of play
He is a left-footed player. He started his career as a defensive midfielder, but more often plays as a left-back. He is appreciated for his versatility.