What is the UEFA Nations League? UEFA's new national team competition replaces most friendlies with competitive matches, allowing nations to play against equally ranked teams. The four group winners of the top-ranked League A qualify for the UEFA Nations League finals in June 2019. For the remaining sides there is promotion and relegation to play for, not to mention a potential route to UEFA EURO 2020. How do the Leagues work? Teams play each other home and away, with the four group winners of League A qualifying for the UEFA Nations League Finals in June 2019 that feature semi-finals, a third-place match and the final. The group winners in Leagues B, C and D gain promotion and those who finish bottom of the