In the following year he won the Kobe Shimbun Hai and finished second in both the Satsuki Sho and the Tokyo Yushun before being awarded the Japan Cup on the disqualification of Buena Vista.

Rose Kingdom is a dark bay or brown horse with a small white star standing 1.63 metres[3] bred in Japan by Northern Farm.

[2] On 20 December, Rose Kingdom was moved up to Grade I class for Japan's most prestigious race for two-year-olds, the Asahi Hai Futurity Stakes over 1600 metres at Nakayama Racecourse.

[9][10] On his first appearance as a three-year-old Rose Kingdom sustained his first defeat when he finished third behind Aliseo and Gestalt in the Grade II Fuji TV Sho Spring Stakes over 1800 metres at Nakayama on 21 March.

Ridden by Yutaka Take he recorded his first win of the year as he defeated Eishin Flash by a neck with Big Week three length back in third place.

[12] In the Grade I Kikuka Sho at Kyoto on 24 October, Rose Kingdom was moved up in distance to 3000 metres and finished second to Big Week, with Beat Black in third.

He was bumped when Buena Vista cut to the inside but recovered to take second place, one and three quarter lengths behind the filly and a nose ahead of Victoire Pisa.

When moved back up to Grade I class he finished down the field behind Hiruno d'Amour in the spring running of the Tenno Sho and then ran fourth to Earnestly in the Takarazuka Kinen.

"[18] Rose Kingdom made little subsequent impact that year, finishing unplaced in the autumn Tenno Sho, the Japan Cup and the Arima Kinen.

[19][20][21] On September 15, 2019, the manes of Rose Kingdom and Taiki Shuttle, a fellow JRA Champion pensioned at Versailles Farm at the time, were mysteriously cut by an unknown person.