Eishin Flash was a dark bay Japanese stallion of the 2010s whose career was anchored by one of the sport’s most prestigious prizes: the 2010 Tokyo Yushun, or Japanese Derby. Foaled on March 27, 2007, he was bred by Shadai Farm and trained throughout his racing life by Hideaki Fujiwara at Ritto. He raced in the colors of Toyomitsu Hirai and later Katsuhiko Hirai, with ownership transferring within the family after Toyomitsu Hirai’s death in 2013.
His pedigree combined international bloodlines with a Japanese upbringing. Eishin Flash was by King’s Best out of Moonlady, a daughter of Platini, and he came from a family that also included Danon Moon, Matsurida Bach, and Aldrin. That background helped shape a high-class middle-distance performer, and his race record of 27 starts with 6 wins, 3 seconds, and 7 thirds reflects both durability and consistent competition at a strong level.
As a three-year-old in 2010, he announced himself first by winning the Keisei Hai, then reached the summit with victory in the Japanese Derby. That Derby success remains the defining achievement of his career and secures his place in modern Japanese racing history. He was the kind of runner associated with patience and a late challenge, a profile that suited major middle-distance races.
Eishin Flash added a second top-level triumph when he won the Tenno Sho (Autumn) in 2012, confirming that his Derby victory had not been a one-season flash of brilliance. He remained a relevant stakes performer into 2013, adding the Mainichi Okan and showing admirable longevity at the highest levels. Across his career he earned 777,360,900 yen in total, including 756,072,000 yen in Japan, with additional earnings recorded from racing in the UAE and Hong Kong.
After retirement, Eishin Flash entered stallion duty, extending his presence in the breed beyond the racetrack. Even without a long list of major wins, the quality of those headline victories gives him lasting significance: a Japanese Derby winner, a Tenno Sho (Autumn) winner, and a horse who stayed competitive across several seasons for the Fujiwara stable.
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