The Czech First League, currently known as the ePojisteni.cz liga, is a Czech professional league for football clubs. At the top of the Czech football league system, it is the country's primary football competition. It is contested by 16 clubs, operating a system of promotion and relegation with the Czech National Football League. Seasons run from August to May, with teams playing 30 games each. The league is currently ranked 13th in Europe in the UEFA league rankings.