Gabriel began his career in the youth ranks at SK Zbraslav, before moving to Sparta Prague.[1] On 10 August 2021, Gabriel made his debut for Sparta Prague, coming on as an 84th-minute substitute in the UEFA Champions League against Monaco.[2]
Gabriel moved to Denmark on 23 August 2023 and joined Midtjylland on a five-year contract.[4]
He scored his first goal for the club in a 2–1 home win over Lyngby Boldklub.[5]
^"FC Midtjylland slår Lyngby og holder fast i toppen". Flash Score Denmark (in Danish). {{cite web}}: Missing or empty |url= (help)
^"Adam Gabriel". Football Association of the Czech Republic (in Czech). Retrieved 3 September 2021.
^Ardon, Filip (26 March 2024). "Češi otáčeli vývoj i na Letné. Výhru nad Arménií zařídil střídající Chorý". Deník (in Czech). Vltave Labe Media. Debutu se pak dočkali brankář Matěj Kovář a obránci Adam Gabriel, Robin Hranáč a Tomáš Vlček. [Goalkeeper Matěj Kovář and defenders Adam Gabriel, Robin Hranáč and Tomáš Vlček debut.]