Here is a list of Ougikubo's best fights. For a list of Ougikubo's losses, refer to "Hiromasa Ougikubo Losses".
On December 31, 2021 Hiromasa Ougikubo faced off against Kai Asakura in a bantamweight bout at age 34. He was coming in with a record of 25-5-2 (6), and Asakura was 28 years old and with a record of 19-3 (13). Ougikubo won the fight via 3-round unanimous decision.
On May 18, 2012 Hiromasa Ougikubo fought Koetsu Okazaki in a featherweight title fight for Okazaki's Shooto Championship title. Ougikubo was 25 years old and with a record of 10-2-2 (4), and Okazaki was 32 years old and with a record of 8-1-1 (2). Ougikubo stopped Koetsu Okazaki via 3rd-round submission and is crowned the new featherweight world champion.
On July 28, 2019 Hiromasa Ougikubo faced off against Yuki Motoya in a bantamweight bout at age 32. He was coming in with a record of 19-4-2 (6). Ougikubo won the fight via 3-round split decision.
On December 31, 2021 Hiromasa Ougikubo faced off against Naoki Inoue in a bantamweight bout at age 34. He was coming in with a record of 24-5-2 (6), and Inoue was 24 years old and with a record of 15-2 (9). Ougikubo won the fight via 3-round unanimous decision.
On December 31, 2023 Hiromasa Ougikubo faced off against John Dodson in a flyweight bout at age 36. He was coming in with a record of 26-8-2 (6), and Dodson was 39 years old and with a record of 24-13 (13). Ougikubo won the fight via 3-round unanimous decision.
On December 31, 2019 Hiromasa Ougikubo faced off against Shintaro Ishiwatari in a bantamweight bout at age 32. He was coming in with a record of 20-4-2 (6), and Ishiwatari was 34 years old and with a record of 26-7-4 (11). Ougikubo won the fight via 3-round split decision.
On February 23, 2014 Hiromasa Ougikubo faced off against Takeshi Kasugai in a flyweight bout at age 26. He was coming in with a record of 11-3-2 (4). Ougikubo won the fight via 3-round majority decision.
On September 19, 2021 Hiromasa Ougikubo faced off against Takafumi Otsuka in a bantamweight bout at age 34. He was coming in with a record of 23-5-2 (6), and Otsuka was 35 years old and with a record of 29-18-2 (10). Ougikubo won the fight via 3-round unanimous decision.
On June 28, 2014 Hiromasa Ougikubo faced off against Kana Hyatt in a flyweight bout at age 27. He was coming in with a record of 12-3-2 (5). Ougikubo stopped Kana Hyatt via submission.
On March 20, 2009 Hiromasa Ougikubo faced off against Tetsu Suzuki in a featherweight bout at age 21. He was coming in with a record of 6-0-2 (3). Ougikubo won the fight via 3-round unanimous decision.
