Here is a list of Shigeoka's best fights. For a list of Shigeoka's losses, refer to "Ginjiro Shigeoka Losses".
On April 16, 2023 Ginjiro Shigeoka fought Rene Mark Cuarto in a strawweight world-title fight for Cuarto's IBF title. Shigeoka was 23 years old and with a record of 9-0 (7), and Cuarto was 26 years old and with a record of 21-3-2 (12). Shigeoka stopped Rene Mark Cuarto via 9th-round KO and is crowned the new strawweight world champion.
On October 7, 2023 Ginjiro Shigeoka fought Daniel Valladares in a strawweight world-title fight for Valladares' IBF title. Shigeoka was 23 years old and with a record of 10-0 (8), and Valladares was 29 years old and with a record of 26-3-1 (15). Shigeoka stopped Daniel Valladares via 5th-round TKO and is crowned the new strawweight world champion.
On July 27, 2019 Ginjiro Shigeoka faced off against Clyde Azarcon in a strawweight bout at age 19. He was coming in with a record of 4-0 (3). Shigeoka stopped Clyde Azarcon via KO.
On March 31, 2024 Ginjiro Shigeoka met Jake Amparo in a strawweight (IBF) world-title defense fight. Shigeoka was 24 years old and with a record of 11-0 (9). Shigeoka stopped Jake Amparo via 2nd-round KO and successfully defended his title.
On August 4, 2021 Ginjiro Shigeoka faced off against Toshiki Kawamitsu in a strawweight bout at age 21. He was coming in with a record of 6-0 (5). Shigeoka stopped Toshiki Kawamitsu via TKO.
