Race calendar and resultsAll rounds were held in Japan and supported the Super GT events. On 18 March 2020, the original opening round at Okayama International Circuit was postponed to an undetermined date due to the 2019-20 coronavirus pandemic. On 30 March 2020 it was determined the second and third rounds also had to be postponed. On 5 April 2020 the Super GT Series issued a revised calendar in which the F4 Japanese Championship also confirmed their schedule change, with a newly revised calendar being issued on 17 July 2020.Championship standingsPoints were awarded as follows:
| Position | 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th | | Points | 25 | 18 | 15 | 12 | 10 | 8 | 6 | 4 | 2 | 1 |
Drivers' standings‡ – Half points were awarded for race 2, as less than 75% of the scheduled distance was completed.Independent Cup‡ – Half points were awarded for race 2, as less than 75% of the scheduled distance was completed.Teams' standingsOnly the best finisher scored points for a team.
| Pos | Team | Points | | 1 | TGR-DC Racing School | 273.5 | | 2 | HELM Motorsports | 180.5 | | 3 | Skill Speed | 121 | | 4 | OTG Motor Sports | 89 | | 5 | Bionic Jack Racing | 80 | | 6 | Vegaplus | 80 | | 7 | Zap Speed | 54 | | 8 | ATEAM Buzz Motorsport | 54 | | 9 | Saccess Racing | 18.5 | | 10 | Privateer | 14 | | 11 | Akiland Racing | 8 | | 12 | TOM'S Youth | 5 | | 13 | Rn-sports | 3 | | 14 | KRac Motorsports | 1 |
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