 He scored 14–1 in both tournaments, securing his "yokozuna" promotion on the final day in July by defeating "yokozuna" Chiyonofuji for only the fifth time in 28 meetings.Asahifuji began his "yokozuna" career with 12 straight wins in the September 1990 tournament, but he lost to Kirishima on Day 13 and was defeated by Hokutoumi in the championship deciding bout on the final day.In November 1990 he finished runner-up again, to Chiyonofuji.