The 2026 Japanese F4 Championship continued at Okayama International Circuit, where Ryo Shirasaki produced a perfect response to his scoreless opening round at Fuji Speedway. The Hydrangea Kageyama Racing driver claimed both pole positions and converted them into two victories. As a result, he climbed to second in the Champion Class standings with 50 points.... The post 2026 | Japanese F4 | Okayama (Round 2) | Shirasaki sweeps weekend as Muto ta…
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