Taichi Watarai

is a Japanese racing driver. He is currently competing in Porsche Carrera Cup Japan with Seven x Seven Racing.

Career Watarai was first involved in GT racing for the first time in 2024, where he made a one off appearance in Super Taikyū - ST-X with GTNET MotorSports. He did won in Mobility Resort Motegi.

Watarai then joined Seven x Seven Racing under Kiyoto Fujinami. He made his debut with the team in Middle East Trophy - 992 in 2025, where he competed in the Dubai 24 Hours. Watarai then competed in Super Taikyū - ST-X with Fujinami, Tsubasa Kondo, and team owner Hiroyuki Ogawa or "Bankcy". Watarai made his debut in SRO Japan Cup - GT3 with Seven x Seven as well, where he replaced Fujinami. He won in his first race debut in the series.

Racing record Career summary ‡ Teams' standings.