Koki WATANABE beats CHOU Tien Chen to move on to the Quarter Finals in the men's singles this DAIHATSU Japan Open 2025

Koki WATANABE dropped the opener but found another gear at the DAIHATSU Japan Open 2025, overturning CHOU Tien Chen 16-21 24-22 21-17 in the Men's Singles Round of 16.

[SCORE_BREAKDOWN]

24-22 — game 2 was the tightest of the match, settled by just 2 points.

What's Next

Koki WATANABE advances to the quarter-finals of the DAIHATSU Japan Open 2025, while CHOU Tien Chen's run ends here.

Pre-Match AI Scout Analysis

Prior to the encounter, the AI Scout model favored CHOU Tien Chen with a 68% confidence projection on a blend of ranking, seeding, head-to-head and our own rating. Defying the analytical model's 68% projection, Koki WATANABE produced a decisive tactical shift to secure the upset.

Player profiles: Tamito WATANABE · CHOU Cheng Wei

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