Debonair finishes 12th in the 313 million yen (Dh14.3m) race at Fuchu Racecourse.
Godolphin horse fails to make it big in Japan
Ridden by Frankie Dettori, the Darley-bred Debonair failed to trouble the principals and came home 12th for trainer Kazuya Nakatake who had said the "Toyko course is his course".
Sheikh Mohammed was at Fuchu Racecourse to watch the 12-furlong race, which has 313 million yen (Dh14.3 million) in prize money, won by Orfevre who became the first colt in five years to win the first two legs of the Triple Crown.
The Yasutoshi Ikee trained Stay Gold colt repeated his impressive course and distance victory in the Satsuki Sho and came home one and three quarter lengths clear of Win Variation - whose sire Heart's Cry had also finished second in the Derby - with Belshazzar a further seven lengths back in third.
Even the pouring rain couldn't dampen the spirits of Ikee and jockey Kenichi Ikezoe who were winning their first Derby with the trainer the youngest to do so in the race's history.