Brentford Football Club is a professional association football club in Brentford, West London, England. The team competes in the Premier League, the first level of the English football league system.

The 2020 EFL Championship play-off final was an association football match which was played on 4 August 2020 at Wembley Stadium, London, between Brentford and Fulham, a West London derby. The match was to determine the third and final team to gain promotion from the EFL Championship, the second tier of English football, to the FA Premier League. The top two teams of the 2019–20 EFL Championship season gained automatic promotion to the Premier League, while the clubs placed from third to sixth place in the table took part in play-off semi-finals; Brentford ended the season in third position while Fulham finished fourth. The winners of these semi-finals competed for the final place for the 2020–21 season in the Premier League. Cardiff City and Swansea City were the losing semi-finalists.