On 25 February, all J.League matches until 15 March were postponed in response to the COVID-19 pandemic in Japan.
After 10 July, as a general rule, the maximum number of people allowed is 5,000.
After August, the maximum stadium capacity was 50%, and there would be "high alert spectator matches".
[12] After the 11th J.League extraordinary executive committee meeting on 20 July, it was announced that the "super strict alert audience game" extended to 10 August in view of the spread of coronavirus infection.
Kashiwa Reysol returned as the 2019 J2 League champions and Yokohama FC as runners-up after 13 seasons absence from the top tier of Japanese football.
[36] Players from J.League partner nations (Thailand, Vietnam, Myanmar, Malaysia, Cambodia, Singapore, Indonesia and Qatar) are exempt from these restrictions.