Aidan OBriens dual Group One winner Japan is set to be withdrawn from the Group One Hong Kong Cup (2,000m), with connections poised to send the five-year-old to stud in Germany after his eighth in Sundays Japan Cup.While Jockey Club executive Bill Nader said officials would wait until Monday for confirmation from Coolmore that Japan will not make the trip to Sha Tin, the Racing Post reported over the weekend that the Japa