F4 Japanese Championship

 is a formula racing series regulated according to FIA Formula 4 regulations. The inaugural season was held in 2015.
History.
Gerhard Berger and the FIA Singleseater Commission launched the FIA Formula 4 in March 2013. The goal of the Formula 4 is to make the ladder to Formula 1 more transparent. Besides sporting and technical regulations, costs are regulated too. A car to compete in this category may not exceed €30.000 in purchase. A single season in Formula 4 may not exceed €100.000 in costs. The Japanese F4 will be the one of the second phase Formula 4 championship to be launched. The first phase championships was the Italian F4 Championship and the Formula 4 Sudamericana which started in 2014.
The F4 Japanese Championship was launched by the GT Association on 16 December 2014. All rounds are support events to the Super GT. 
Japanese race car constructor Dome was contracted to design and build all the cars. The cars are constructed out of carbon fibre and feature a monocoque chassis. The engine is a 2.0 turbo TOM'S Toyota, whereas Dunlop (Sumitomo Rubber Industries) is the tyre supplier.
Champions.
All teams and drivers were Japanese-registered.