JW
Super flyweight · Japan
Jiro Watanabe 28-2-0 19 KO · 1979–1986
Jiro Watanabe was a super flyweight boxer from Japan, born Mar 16, 1955. Record 28-2-0 with 19 knockouts over 1979–1986. World titles: WBC super flyweight (1984–1986), WBA super flyweight (1982–1984). Jiro Watanabe last fought Gilberto Román on Mar 30, 1986 and lost by UD over 12 rounds.
Also: Ватанабе Дзіро · Дзиро Ватанабэ · جيرو واتانابي +7 more จิโร วาตานาเบะ · 渡辺二郎 · 와타나베 지로 · Jirou Watanabe · Jirō Watanabe · Ватанабэ, Дзиро · จิโร วาตานาเบ้
Born Mar 16, 1955
Country 🇯🇵 Japan
Stance Southpaw
Debut Mar 27, 1979
Career 1979–1986
Rounds boxed 240
KO share 68%
Born in Okayama, Japan
Titles WBA, WBC super flyweight · 1982–1986
Boxerbook rating 1963 ± 254 · inactive since Mar 1986Why here › Confirmed bouts 9 of 30
Career record Record
28-2-0, 19 KOs · 1979–1986
Last result L
For WBC super-flyweight title UD 12/12 · Sports Centre, Itami, 🇯🇵
The record 30 bouts, 1979–1986, newest first. Records under each bout are both boxers going in.
Bouts by source: English Wikipedia · 28, Wikipedia (ja) · 28
L
For WBC super-flyweight title UD 12/12 · Sports Centre, Itami, 🇯🇵
Watanabe 28-1-0 · Román 40-3-0
W
Suk Hwan Yun
Retained WBC super-flyweight title TKO 5/12 · Municipal Stadium, Daegu South Korea
Watanabe 27-1-0 · Yun —
W
Kazou Katsuma
Retained WBC super-flyweight title TKO 12/12 · Osaka-Jo Hall, Osaka Japan
Watanabe 26-1-0 · Katsuma —
W
Julio Soto Solano
Retained WBC super-flyweight title UD 12/12 · Korakuen Hall Japan
Watanabe 25-1-0 · Solano —
W
For WBC super flyweight title TKO 11/12 · Prefectural Gymnasium, Kumamoto, 🇯🇵
Watanabe 24-1-0 · Poontarat 10-2-0
W
Won WBC super flyweight title SD 12/12 · Osaka-Jo Hall, Osaka, 🇯🇵
Watanabe 23-1-0 · Poontarat 10-1-0
W
Celso Chavez
Retained WBA super-flyweight title TKO 15/15 · Osaka-Jo Hall, Osaka Japan
Watanabe 22-1-0 · Chavez —
W
For WBA super flyweight title TD 11/15 · Prefectural Gymnasium, Osaka, 🇯🇵
Watanabe 21-1-0 · Soon-chun 21-2-1
W
Roberto Ramirez
Retained WBA super-flyweight title MD 15/15 · Miyagi Sports Center, Sendai Japan
Watanabe 20-1-0 · Ramirez —
W
Luis Ibáñez
KO 8
Watanabe 19-1-0 · Ibáñez —
W
Luis Ibanez
Retained WBA super-flyweight title KO 8/15 · Municipal Gym, Tsu Japan
Watanabe 18-1-0 · Ibanez —
W
Retained WBA super-flyweight title TKO 12/15 · City Gymnasium, Hamamatsu Japan, 🇯🇵
Watanabe 17-1-0 · Oguma 38-9-1
W
Retained WBA super-flyweight title RTD 9/15 · Prefectural Gymnasium, Osaka Japan, 🇯🇵
Watanabe 16-1-0 · Ballas 57-1-1
W
Won WBA super-flyweight title UD 15/15 · Prefectural Gymnasium, Osaka, 🇯🇵
Watanabe 15-1-0 · Pedroza 19-8-1
W
Tito Abella
KO 4/10 · Prefectural Gymnasium, Osaka Japan
Watanabe 14-1-0 · Abella —
W
Ali Baba Lukklongyan
KO 5/10 · Korakuen Hall Japan
Watanabe 13-1-0 · Lukklongyan —
W
Kwang Suk Lee
UD 10/10 · Korakuen Hall Japan
Watanabe 12-1-0 · Lee —
W
Berlin Olivetti
KO 2/10 · Prefectural Gymnasium, Osaka Japan
Watanabe 11-1-0 · Olivetti —
L
For WBC super-flyweight title UD 15/15 · Changchung Gymnasium, Seoul South Korea, 🇰🇷
Watanabe 11-0-0 · Cheol-ho 15-1-1
W
PTS 10/10 · Prefectural Gymnasium, Osaka Japan
Watanabe 10-0-0 · Lipovitan —
Show all 30 bouts W
Chakhtep Chuwatana
PTS 10/10 · Korakuen Hall Japan
Watanabe 9-0-0 · Chuwatana —
W
Jin Hyun Chan
PTS 6/6 · Aichi Prefectural Gym, Nagoya Japan
Watanabe 8-0-0 · Chan —
W
KO 1/6 · Prefectural Gymnasium, Osaka Japan, 🇯🇵
Watanabe 7-0-0 · Kobayashi 6-0-2
W
Yoshihiko Kawahira
KO 4
Watanabe 6-0-0 · Kawahira —
W
Yoshihiko Kawahira
KO 4/6 · City Gymnasium, Yokkaichi Japan
Watanabe 5-0-0 · Kawahira —
W
Shinji Takagi
KO 1/6 · Budokan, Okayama City Japan
Watanabe 4-0-0 · Takagi —
W
Noboru Ishii
KO 6/6 · Prefectural Gymnasium, Osaka Japan
Watanabe 3-0-0 · Ishii —
W
Noboru Ishii
KO 1/4 · Sakuranomiya Skating Rink, Osaka Japan
Watanabe 2-0-0 · Ishii —
W
Yoshihiko Kawahira
KO 1/4 · Suzuyo Gym, Shimizu Japan
Watanabe 1-0-0 · Kawahira —
W
Kiezo Miyazaki
KO 3/4 · Budokan, Okayama City Japan
Watanabe 0-0-0 · Miyazaki —
Ratings now Not in any current ranking.
World titles
Facts
What is Jiro Watanabe's record? Jiro Watanabe's professional record is 28-2-0 with 19 knockouts.
Who did Jiro Watanabe fight last? Jiro Watanabe last fought Gilberto Román on Mar 30, 1986 and lost by UD over 12 rounds.
Which world titles has Jiro Watanabe held? Jiro Watanabe has held 2 world title reigns: WBC super flyweight (1984–1986), WBA super flyweight (1982–1984). Sources Boxerbook ID 12661 · permanent link boxerbook.com/id/12661 . Wikidata (CC0), English Wikipedia (CC BY-SA). Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.