The Fuji 500 mile [ja] round, introduced to replace the 1000 km of Suzuka, was dropped to avoid a clash with the 2020 Summer Olympics, which would be held in Tokyo.
[2][3] On March 18, 2020, the original opening round at Okayama International Circuit was postponed to an undetermined date due to the coronavirus pandemic.
Oono Associates purchased naming rights for all four rounds held at Fuji Speedway, under their Takanokono Hotel property based in Matsuyama, Japan.
Steel manufacturer Fujimaki Group purchased naming rights for the two rounds held at Suzuka Circuit and Twin Ring Motegi.
Due to travel restrictions put into place as a result of the 2019-20 coronavirus pandemic, several driver changes were necessitated, starting from the opening round at Fuji Speedway.