Ginjiro Shigeoka (11-2, 9) was born in Kumamoto, Japan on October 18, 1999. At the age of 18 years on September 25, 2018, he made his professional boxing debut against Sanchai Yotboon, winning the fight via 3rd-round TKO.
On his 9th career fight at 23 years old, Ginjiro Shigeoka got a shot at the IBF strawweight titles against Daniel Valladares on January 6, 2023 but lost the fight via 3-round no contest.
He became a strawweight world champion (IBF) on October 7, 2023 at the age of 23 years old, on his 11th career fight, after defeating Daniel Valladares via 5th-round TKO.
Shigeoka's last fight was a 12-round split decision loss to Pedro Taduran at age 25 on May 24, 2025. He is on a 2-fight losing streak.
Some of Ginjiro Shigeoka's best fights have been against Rene Mark Cuarto, Daniel Valladares, Pedro Taduran, Clyde Azarcon, Jake Amparo and Toshiki Kawamitsu. For details about these fights refer to "Best fights of Ginjiro Shigeoka".
Shigeoka has 2 losses on his boxing record. For details about these losses refer to "Ginjiro Shigeoka Losses".
| # | Date | Opponent | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|
14  | May 24, 2025 25 years, 7 months 11-2 (9) | 28 years, 6 months 17-4-1 (13) | 12 | SD | Loss | |
13 | Jul 28, 2024 24 years, 9 months 11-1 (9) | 27 years, 8 months 16-4-1 (12) | ST | 9 | TKO | Loss Lost IBF |
12 | Mar 31, 2024 24 years, 5 months 11-0 (9) | Jake Amparo | ST | 2 | KO | Win Defended IBF |
11  | Oct 7, 2023 23 years, 11 months 10-0 (8) | 29 years, 3 months 26-3-1 (15) | ST | 5 | TKO | Win Won IBF |
10  | Apr 16, 2023 23 years, 5 months 9-0 (7) | 26 years, 8 months 21-3-2 (12) | ST | 9 | KO | Win Won IBF Interim |
9 | Jan 6, 2023 23 years, 2 months 8-0 (6) | 28 years, 6 months 26-3-1 (15) | ST | 3 | NC | NC For IBF |
8 | Jul 6, 2022 22 years, 8 months 8-0 (6) | Naoya Haruguchi | ST | 4 | KO | Win |
7 | Mar 27, 2022 22 years, 5 months 7-0 (5) | Tatsuro Nakashima | ST | 10 | UD | Win |
6 | Aug 4, 2021 21 years, 9 months 6-0 (5) | Toshiki Kawamitsu | ST | 2 | TKO | Win |
5 | Dec 31, 2019 20 years, 2 months 5-0 (4) | Rey Loreto | ST | 5 | KO | Win |
4 | Jul 27, 2019 19 years, 9 months 4-0 (3) | Clyde Azarcon | ST | 1 | KO | Win |
3 | Apr 14, 2019 19 years, 5 months 3-0 (2) | Joel Lino | 8 | UD | Win | |
2 | Feb 26, 2019 19 years, 4 months 2-0 (2) | Gerttipong Kumsahwat | 1 | TKO | Win | |
1 | Sep 25, 2018 18 years, 11 months 1-0 (1) | Sanchai Yotboon | 3 | TKO | Win |
