Jan Sýkora

Sýkora began his professional career at Sparta Prague, but failed to make a league appearance for their first team. He also spent time on loan at Zbrojovka Brno before transferring to Slovan Liberec in 2015. On 15 September 2016, Sýkora scored the fastest ever goal of UEFA Europa League, finding the net after just 10.69 seconds in Liberec's group stage match against Qarabağ FK. In total, he made 34 league appearances for Liberec, scoring one goal.

Slavia Prague and loan to Slovan Liberec

After a long battle for his signature between Slavia Prague and Viktoria Plzeň, the two frontrunners for the league title at the time, Sýkora signed for the former in January 2017. On 22 November 2018, Sýkora signed a new contract with Slavia until 2022. In February 2019, he returned to Slovan Liberec on loan until the end of the season.

Lech Poznań

On 24 August 2020, Sýkora signed a four-year contract with Polish Ekstraklasa football club Lech Poznań. He debuted six days later during league match against Wisła Płock.

Viktoria Plzeň

On 6 July 2022, Sýkora signed a three-year contract with Czech First League side Viktoria Plzeň.

Sigma Olomouc

On 4 January 2025, Sýkora signed a contract with Sigma Olomouc until the end of the season with two-year option.

In August 2016, Sýkora got his first call-up to the Czech Republic national football team for a friendly match against Armenia and 2018 FIFA World Cup qualification match against Northern Ireland. He debuted against the former opponent on 31 August. In November 2017, Sýkora scored his first international goal in a 2–1 victory against Iceland.

Club

International

Scores and results list Czech Republic's goal tally first, score column indicates score after each Sýkora goal.

Slavia Prague

Czech First League: 2016–17, 2018–19 Czech Cup: 2017–18, 2018–19 Viktoria Plzeň

Czech First League: 2021–22 Lech Poznań

Ekstraklasa: 2021–22