Hideyuki Ohashi has five losses against four opponents on his boxing record. For a list of Ohashi's best fights, refer to "Best fights of Hideyuki Ohashi".
On February 10, 1993 Hideyuki Ohashi met Chana Porpaoin in a strawweight (WBA (Regular)) world-title defense fight. Ohashi was 27 years old and with a record of 19-5 (12). Ohashi lost the fight via 12-round majority decision and lost the title.
On October 25, 1990 Hideyuki Ohashi met Ricardo Lopez in a strawweight (WBC) world-title defense fight. Ohashi was 25 years old and with a record of 14-4 (9), and Lopez was 24 years old and with a record of 26-0 (19). Ohashi lost the fight via 5th-round TKO and lost the title.
On June 27, 1988 Hideyuki Ohashi fought Jung Koo Chang in a light-flyweight world-title fight for Chang's WBC title. Ohashi was 23 years old and with a record of 8-3 (4). Ohashi lost the fight via 8th-round TKO.
On December 14, 1986 Hideyuki Ohashi fought Jung Koo Chang in a light-flyweight world-title fight for Chang's WBC title. Ohashi was 21 years old and with a record of 5-2 (3). Ohashi lost the fight via 5th-round TKO.
On March 20, 1986 Hideyuki Ohashi faced off against Bong Jun Kim at age 21. He was coming in with a record of 4-1 (3). Ohashi lost the fight via 10-round points decision.
