Susumu Fujita's Shin Emperor (Fr) (Siyouni {Fr}), the full-brother to G1 Prix de l'Arc de Triomphe winner Sottsass (Fr) and €2.1-million topper at the 2022 Arqana August sale, made a successful racecourse debut Saturday, bursting through with 400 metres to travel en route to a three-length success at Tokyo Racecourse. Trying an 1800-metre trip for this first go, the son of Starlet's Sister (Ire) (Galileo {Ire}) was first to break the line and could have led had they chosen, but Takeshi Yokoyama elected to allow the colt to find his...