He was rated the best two-year-old in Japan in 2015 after winning a minor race on his debut and then taking the Grade 1 Asahi Hai Futurity Stakes on his second and final start of the year.

His other winners as a breeding stallion include Lord Kanaloa, Rose Kingdom, Rey de Oro, Apapane and Duramente.

[3] Leontes' dam Cesario, a top-class racemare, won the Yushun Himba and the American Oaks and went on to produce the Japan Cup winner Epiphaneia and Saturnalia.

[5] Leontes did not appear on the track until 22 November when he contested an event for previously unraced juveniles over 2000 metres at Kyoto Racecourse and won by a length from Peace Mind.

[9] On his first run of 2016 Leontes started 0.9/1 favourite for the Grade 2 Yayoi Sho (a major trial race for the Satsuki Shō) over 2000 metres at Nakayama Racecourse.

As in the Yayoi Sho he took the lead at the start of the straight but was outrun in the closing stages, coming home fourth of the eighteen runners behind Dee Majesty, Makahiki and Satono Diamond.