[6] On his three-year-old debut Epoca d'Oro recorded his first victory when he defeated Rano Kau and fourteen others in a maiden race over 1600 metres at Kyoto on 21 January.

[6] In the following month he was moved up in class for the Grade 2 Spring Stakes (a trial race for the Satsuki Sho) over 1800 metres at Nakayama Racecourse and was made the 4.3/1 third choice in a field of thirteen runners.

Aithon set a strong pace from Jun Valerot and Generale Uno with the trio pulling many lengths clear of the others who were headed by Epoca d'Oro.

The leaders began to tire approaching the final turn and Epoca d'Oro gained the advantage from Generale Uno in the last 200 metres before drawing away to win by two lengths from Sans Rival.

He took the lead soon after the start, led the field into the straight and repelled several challengers before being caught in the final strides by Wagnerian and beaten half a length into second place.

[11] In January 2019 Epoca d'Oro finished fourth behind Blast Onepiece, Wagnerian and the dirt champion Le Vent Se Leve in the poll to determine the JRA Award for Best Three-Year-Old Colt for 2018 .

[12] Epoca d'Oro began his third campaign in the Grade 2 Nakayama Kinen on 24 February and came home fifth of the eleven starters behind Win Bright, Lucky Lilac, Stelvio and Suave Richard, beaten two lengths by the winner.