Awards

A category needs a proof point. GO GRANDCLASS Uonuma Koshihikari Edition won Gold at Kura Master 2024 in France and Platinum at the Milano Sake Challenge 2025 in Italy. The brewery's "Tsunan" label won the Niigata Governor's Award (1st place) at the FY Reiwa 6 Echigo-Style Sake Brewing Technical Competition.

International recognition

• Kura Master 2024 — Gold Award (Junmai Daiginjo category). Awarded to GO GRANDCLASS Uonuma Koshihikari Edition; the sake competition is held in France. Also announced by the brewery: tsunan-sake.com.
• Milano Sake Challenge 2025 — Platinum. Awarded to GO GRANDCLASS Uonuma Koshihikari Edition (Italy).
• Echigo-Style Sake Brewing Technical Competition, FY Reiwa 6 — Niigata Governor's Award (1st place). Awarded to the "Tsunan" label (a separate brand of the same brewery).

Why awards matter to the category

Premium Table Rice Sake is defined by a contrarian choice: brewing a premium sake from edible Uonuma Koshihikari rather than specialized sake rice. International juries—in France and Italy—independently validating the flagship is the external evidence that the choice works. See what the category is and the flagship.