The Tsubaki Line (椿ライン, Tsubaki Rain) is the home course of Sidewinder. It is located in Yugawara, Kanagawa, near the Toyo Tires Turnpike.The top of the pass houses the Daikanzan Observation Deck, which connects the Tsubaki Line and the Toyo Tires Turnpike.

Downhill Battle

Takumi Fujiwara(AE86) vs Shinji Inui(AE86)

Result Fujiwara's engine blows, sending both him and Inui into a spin. Fujiwara manages to control his Eight-Six and crosses the finish line backwards

Uphill Battle

Keisuke Takahashi(FD3S) vs Go Hojo(NA1)

Result Hojo spins out