This was the third and final year of Pirelli's contract as the series' official tyre supplier, to be replaced by Hankook Tire beginning in 2021.
[1] There were no significant changes from the 2019 schedule, which again featured one round at each of Japan's six major racing circuits.
[3] Only the round at Okayama International Circuit, originally intended to host the season finale, would retain its initial date of 31 October-1 November.
[4] The Super Taikyu Series officially announced the conclusion of the 2020 season two weeks later on 26 January.
On 10 June it was announced that each team's five highest-scoring rounds counted towards the final championship standings.