The 2020 F4 Japanese Championship season was the sixth season of the F4 Japanese Championship. It was competed with 12 races over four triple-header rounds.

Teams and drivers All teams were Japanese-registered Team Driver Class Rounds Ito Engineering 2 Keiji Nakao All Field Motorsports 3 Sergeyevich Sato All Daydream Racing 4 Yuichi Sasaki 1, 3 Vegaplus 5 Syun Koide 2–4 7 Kakunoshin Ohta 2–4 Rn-sports 11 Yugo Iwasawa All 18 Makoto Hotta 2–4 KRac Motorsports 13 Daiki Fujiwara All Zap Speed 14 Rin Arakawa All 43 Motoyoshi Yoshida All 86 Hachiro Osaka All Media Do Kageyama Racing 16 Kaito Tsukada All N-SPEED 23 "Yugo" All TOM'S Youth 28 Yuga Furutani All ATEAM Buzz Motorsport 31 Seiya Jin All 32 Hirotaka Kikuchi All 33 Max Salo All 34 Katsunori Keihara 1, 4 TGR-DC Racing School 35 Hibiki Taira All 36 Seita Nonaka All 37 Eijiro Shimizu All 38 Jiei Okuzumi All Saccess Racing 39 Yoshiaki Nakamura All 40 Seiya Motojima 2, 4 Team Liaison 55 Yusuke Tsuchiya 1–3 Bird 56 Yutaka Toriba 1, 3–4 HELM Motorsports 62 Reiji Hiraki All Leprix Sport 70 Aito Kinoshita 1, 4 Akiland Racing 71 Masayoshi Oyama All 92 Yuki Urata 2–4 95 "Tomisan" 1 96 Makio Saito All C.S.I-Reon Kids Racing 73 Shunsuke Hanawa 1 Skill Speed 77 Sota Ogawa All OTG Motor Sports 80 Reimei Ito All Bionic Jack Racing 97 Ryunosuke Sawa All 98 "Ikari" All Privateer 24 Tsuyoshi Usui 4 25 Fuma Horio All Icon Class Independent Cup

Race calendar and results All 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.

Round Circuit Date Pole position Fastest lap Winning driver Winning team 1 1 Fuji Speedway, Oyama 3 October Seiya Jin Reiji Hiraki Reiji Hiraki HELM Motorsports Keiji Nakao R2 Hibiki Taira Rin Arakawa Hibiki Taira Makio Saito R3 4 October Sota Ogawa Hibiki Taira TGR-DC Racing School Yutaka Toriba 2 R4 Suzuka Circuit, Suzuka 24 October Hibiki Taira Rin Arakawa Hibiki Taira TGR-DC Racing School Sergeyevich Sato R5 Hibiki Taira Kakunoshin Ohta Hibiki Taira TGR-DC Racing School Makio Saito R6 25 October Hibiki Taira Hibiki Taira TGR-DC Racing School Sergeyevich Sato 3 R7 7 November Hibiki Taira Hibiki Taira Hibiki Taira TGR-DC Racing School Sergeyevich Sato R8 Hibiki Taira Seiya Jin Hibiki Taira TGR-DC Racing School Sergeyevich Sato R9 8 November Hibiki Taira Hibiki Taira TGR-DC Racing School "Ikari" 4 R10 Fuji Speedway, Oyama Sota Ogawa Reiji Hiraki Hibiki Taira TGR-DC Racing School Sergeyevich Sato R11 Hibiki Taira Hibiki Taira Hibiki Taira TGR-DC Racing School Makio Saito R12 29 November Syun Koide Reiji Hiraki HELM Motorsports Sergeyevich Sato

Championship standings Points 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 Pos Driver FUJ1 SUZ ‡ MOT FUJ2 Points 1 Hibiki Taira 3 1 1 1 1 1 1 1 1 1 1 2 270.5 2 Reiji Hiraki 1 4 4 4 3 2 2 3 5 6 2 1 180.5 3 Seita Nonaka 2 3 2 3 4 11 3 6 4 Ret 5 7 123 4 Sota Ogawa 7 6 7 7 12 7 5 2 2 2 3 5 121 5 Reimei Ito 5 7 6 6 6 5 9 7 6 25 4 3 89 6 Ryunosuke Sawa 9 11 5 8 Ret 8 4 4 3 3 9 8 80 7 Kakunoshin Ohta 5 2 3 6 9 8 9 7 4 68 8 Rin Arakawa Ret 2 17 2 5 Ret DNS 5 17 Ret 10 9 54 9 Seiya Jin 4 5 3 17 Ret DNS 7 28 7 Ret 11 13 49 10 Syun Koide 12 11 6 Ret 8 13 4 8 6 36 11 Fuma Horio 6 8 9 19 14 18 NC 16 12 5 12 10 25 12 Jiei Okuzumi 8 10 8 14 Ret 19 23† 10 9 Ret 6 11 20 13 Seiya Motojima 9 15 4 11 13 14 14 14 Yuki Urata 20 23 9 21 15 30 7 14 12 8 15 Hirotaka Kikuchi 12 22 11 10 7 10 Ret 12 16 Ret Ret 15 5 16 Yuga Furutani 11 Ret 16 15 9 14 8 14 11 21 17 26 5 17 Eijiro Shimizu 10 9 10 Ret 13 15 10 11 14 Ret DNS 17 5 18 Yoshiaki Nakamura 16 12 12 13 10 12 25 20 20 8 15 32 4.5 19 Yugo Iwasawa Ret DNS 15 11 8 13 24† 17 10 Ret Ret DNS 3 20 Daiki Fujiwara 15 14 14 18 17 16 12 19 19 10 16 21 1 21 Yusuke Tsuchiya 13 Ret 19 Ret Ret 24 11 18 18 0 22 Max Salo 30 20 18 24 Ret 30† 15 23 21 12 19 19 0 23 Kaito Tsukada 14 24 13 16 16 17 22 13 15 Ret WD WD 0 24 Sergeyevich Sato 18 18 21 21 19 20 13 21 Ret 13 21 18 0 25 Aito Kinoshita 19 13 Ret 14 18 16 0 26 Keiji Nakao 17 16 23 26 20 28 14 DNS 28 15 22 23 0 27 Makio Saito 20 15 22 22 18 21 16 22 23 Ret 20 20 0 28 "Ikari" 23 19 24 23 24 23 Ret Ret 22 16 23 Ret 0 29 Hachiro Osaka 28 21 26 Ret DNS 25 17 25 25 17 24 22 0 30 Yutaka Toriba 21 17 20 Ret Ret WD DSQ 30 24 0 31 Motoyoshi Yoshida 24 26 Ret Ret 26 27 18 27 26 19 26 27 0 32 Makoto Hotta 27 21 22 Ret 26 24 18 25 25 0 33 Masayoshi Oyama 27 27 27 25 22 26 19 29 27 20 29 28 0 34 "Yugo" 26 28 29 Ret 25 29 20 30 WD 22 28 29 0 35 Yuichi Sasaki 22 23 28 Ret 24 29 0 36 Tsuyoshi Usui 23 27 30 0 37 Katsunori Keihara 31 Ret Ret 24 31 31 0 38 "Tomisan" 25 25 25 0 39 Shunsuke Hanawa 29 DNS DNS 0 Pos Driver FUJ1 SUZ ‡ MOT FUJ2 Points Bold – PoleItalics – Fastest Lap† — Did not finish, but classified ‡ – Half points were awarded for race 2, as less than 75% of the scheduled distance was completed.

Independent Cup Pos Driver FUJ1 SUZ ‡ MOT FUJ2 Points 1 Sergeyevich Sato 18 18 21 21 19 20 13 21 Ret 13 21 18 225 2 Makio Saito 20 15 22 22 18 21 16 22 23 Ret 20 20 197.5 3 Keiji Nakao 17 16 23 26 20 28 14 DNS 28 15 22 23 145.5 4 "Ikari" 23 19 24 23 24 23 Ret Ret 22 16 23 Ret 111 5 Hachiro Osaka 28 21 26 Ret DNS 25 17 25 25 17 24 22 97 6 Makoto Hotta 27 21 22 Ret 26 24 18 25 25 77 7 Masayoshi Oyama 27 27 27 25 22 26 19 29 27 20 29 28 64 8 Motoyoshi Yoshida 24 26 Ret Ret 26 27 18 27 26 19 26 27 64 9 Yutaka Toriba 21 17 20 Ret Ret WD DSQ 30 24 62 10 Yuichi Sasaki 22 23 28 Ret 24 29 37 11 "Yugo" 26 28 29 Ret 25 29 20 30 WD 22 28 29 26 12 "Tomisan" 25 25 25 16 13 Tsuyoshi Usui 23 27 30 7 14 Katsunori Keihara 31 Ret Ret 24 31 31 1 Pos Driver FUJ1 SUZ ‡ MOT FUJ2 Points ‡ – Half points were awarded for race 2, as less than 75% of the scheduled distance was completed.

Teams' standings Only 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 (Fuma Horio) 14 11 Akiland Racing 8 12 TOM'S Youth 5 13 Rn-sports 3 14 KRac Motorsports 1

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