The 2019–20 Swiss Super League (referred to as the Raiffeisen Super League for sponsoring reasons) was the 123rd season of top-tier competitive football in Switzerland and the 17th under its current name and format.
Postponement came after the Swiss Federal Council banned all major events until 15 March due to the COVID-19 outbreak.
[1] On 13 March Super and Challenge League football was halted at least until the end of April;[2] however, the season was resumed on 19 June.
The ninth-placed team of 2019–20 Swiss Super League, Thun, played against the runners-up of 2019–20 Swiss Challenge League, Vaduz.
Vaduz won 5–4 on aggregate and promoted to the Swiss Super League.