The 2025 D1 GRAND PRIX Drift Championship Round 7 & 8 ignited the AUTOPOLIS circuit in Kyushu, Japan, on October 26–27.

Amid clouds of tyre smoke and roaring engines, the SHIBATA RACING TEAM, equipped with Rydanz R23 and R31 racing tyres, once again showcased dominant performance—securing multiple podium finishes and reaffirming Rydanz’s position as a championship-proven racing tyre brand.

Outstanding Results on the Track

Round 7 (October 26)

• Koudai Sobagiri — Tandem Battle Champion
• TANAKA — Tandem Battle Runner-up
• HIBINO — Tandem Battle 4th Place

Round 8 (October 27)

• Koudai Sobagiri — Solo Run Champion, Tandem Battle 5th Place

With consistent high performance across both rounds, Koudai Sobagiri now leads the D1GP overall championship standings, demonstrating exceptional skill and tyre control under extreme drifting conditions.

The Champion Setup: R23 & R31 Racing Tyres

The Rydanz R23 and R31 series were engineered specifically for competitive drifting, where precision and grip mean everything.

• R23 — Features a high-grip compound and reinforced shoulder structure, providing stable control and responsiveness through intense lateral slides.
• R31 — Built with large, rigid outer tread blocks and serrated edge design, ensuring superior balance and cornering stability at high speed.

Together, they deliver the confidence, consistency, and endurance that top drivers rely on to push limits and chase victory.

From Factory to Finish Line

Guided by the brand philosophy “ONLY FOR YOUR DRIVES,” Rydanz integrates in-house manufacturing with motorsport innovation.

Every racing tyre is developed, tested, and validated on the track—ensuring that every design advancement directly enhances real-world performance.

The continuous success in D1GP is the ultimate proof of Rydanz’s racing DNA and engineering strength.

As the D1 GRAND PRIX season continues toward its final stages, Rydanz and SHIBATA RACING TEAM remain focused on pushing boundaries—one drift, one victory at a time.