Light flyweight · Japan
Hiroki Ioka 33-8-1 17 KO · 1986–1998
Photo: Tokumeigakarinoaoshima, CC0 via Wikimedia Commons
Hiroki Ioka was a light flyweight boxer from Japan, born Jan 8, 1968. Record 33-8-1 with 17 knockouts over 1986–1998. World titles: WBA light flyweight (1991–1992), WBC minimumweight (1987–1988). Hiroki Ioka last fought Masamori Tokuyama on Dec 19, 1998 and lost by TKO in round 5 of 10.
Also: Хироки Иока · هيروكي إيوكا · ฮิโระกิ อิโอะกะ +7 more 井岡弘樹 · 이오카 히로키 · Иока · Иока Х. · Иока Хироки · Иока, Хироки · ฮิโรกิ อิโอกะ
Born Jan 8, 1968
Country 🇯🇵 Japan
Stance Orthodox
Debut Jan 23, 1986
Career 1986–1998
Rounds boxed 323
KO share 52%
Born in Sakai, Osaka, Japan
Titles WBC minimumweight · 1987–1988; WBA light flyweight · 1991–1992
Boxerbook rating 1717 ± 222 · inactive since Dec 1998Why here › Confirmed bouts 10 of 42
Career record Record
33-8-1, 17 KOs · 1986–1998
Last result L
TKO 5/10 · Prefectural Gymnasium, Osaka, 🇯🇵
The record 42 bouts, 1986–1998, newest first. Records under each bout are both boxers going in.
Bouts by source: Wikipedia (ja) · 42, English Wikipedia · 9
L
TKO 5/10 · Prefectural Gymnasium, Osaka, 🇯🇵
Ioka 33-7-1 · Tokuyama 15-2-1
W
Jerry Pahayahai
UD 10/10
Ioka 32-7-1 · Pahayahai —
L
MD 12/12
Ioka 32-6-1 · Iida 23-1-1
W
Hidekazu Sakata
TKO 9
Ioka 31-6-1 · Sakata —
W
Pinoy Montejo
UD 10/10
Ioka 30-6-1 · Montejo —
L
WBA world flyweight title TKO 7
Ioka 30-5-1 · Bonilla —
W
Hiroki Shinozaki
KO 4
Ioka 29-5-1 · Shinozaki —
W
Ricky Sares
UD 10/10
Ioka 28-5-1 · Sares —
W
Joel Nisey
KO 2
Ioka 27-5-1 · Nisey —
L
TKO 10/12 · Prefectural Gymnasium, Osaka, 🇯🇵
Ioka 27-4-1 · Ploenchit 22-0-0
W
Dong-su Kim
TKO 4
Ioka 26-4-1 · Kim —
W
Lee Escobito
UD 10/10
Ioka 25-4-1 · Escobito —
W
Trifon Tralba
KO 4
Ioka 24-4-1 · Tralba —
W
David Franco
KO 5
Ioka 23-4-1 · Franco —
W
John Medina
TKO 6
Ioka 22-4-1 · Medina —
L
WBA world flyweight title TKO 8
Ioka 22-3-1 · Griman —
W
Ronnie Romero
KO 2
Ioka 21-3-1 · Romero —
L
For WBA light-flyweight title MD 12/12 · Prefectural Gymnasium, Osaka Japan
Ioka 21-2-1 · Myung-woo 36-1-0
W
For WBA light flyweight title UD 12/12 · Prefectural Gymnasium, Osaka, 🇯🇵
Ioka 20-2-1 · Kim 23-7-3
W
Noel Tunyakao
UD 12/12
Ioka 19-2-1 · Tunyakao —
Show all 42 bouts W
Won WBA light-flyweight title SD 12/12 · Prefectural Gymnasium, Osaka Japan
Ioka 18-2-1 · Myung-woo 36-0-0
W
Katsumi Komiyama
KO 5
Ioka 17-2-1 · Komiyama —
W
Kenji Tezuka
UD 10/10
Ioka 16-2-1 · Tezuka —
W
Max Forceiro
UD 10/10
Ioka 15-2-1 · Forceiro —
W
Jaime Aliguín
UD 10/10
Ioka 14-2-1 · Aliguín —
W
Salaguchit Sor Chitphatana
UD 10/10
Ioka 13-2-1 · Chitphatana —
W
Johnny Airen
KO 9
Ioka 12-2-1 · Airen —
W
Udin Bahardin
UD 10/10
Ioka 11-2-1 · Bahardin —
L
For WBC strawweight title TKO 11/12 · Osaka Prefectural Gymnasium, Osaka, 🇯🇵
Ioka 11-1-1 · Kiatwanchai 9-0-1
W
Hidekazu Kakehashi
KO 2
Ioka 10-1-1 · Kakehashi —
L
For WBC strawweight title MD 12/12 · Osaka Prefectural Gymnasium, Osaka, 🇯🇵
Ioka 10-0-1 · Kiatwanchai 7-0-1
D
For WBC strawweight title SD 12/12 · Kinki University Auditorium, Osaka, 🇯🇵
Ioka 10-0-0 · Kiatwanchai 6-0-0
W
For WBC mini-flyweight title TKO 12/12 · Osaka-Jo Hall, Osaka, 🇯🇵
Ioka 9-0-0 · Lee 11-0-0
W
Mai Thonburi Fram
Vacant WBC world minimumweight title UD 12/12
Ioka 8-0-0 · Fram —
W
Kenji Ono
Vacant Japanese minimumweight title UD 10/10
Ioka 7-0-0 · Ono —
W
Akira Kiyono
MD 8/8
Ioka 6-0-0 · Kiyono —
W
Hisaku Nakatomi
TKO 1
Ioka 5-0-0 · Nakatomi —
W
Yoshihide Toho
TKO 2
Ioka 4-0-0 · Toho —
W
Masao Kasai
MD 4/4
Ioka 3-0-0 · Kasai —
W
Osamu Uemoto
KO 2
Ioka 2-0-0 · Uemoto —
W
Hiroshi Uto
KO 2
Ioka 1-0-0 · Uto —
W
Yukio Yosemochi
KO 3
Ioka 0-0-0 · Yosemochi —
Ratings now Not in any current ranking.
World titles
Facts
What is Hiroki Ioka's record? Hiroki Ioka's professional record is 33-8-1 with 17 knockouts.
Who did Hiroki Ioka fight last? Hiroki Ioka last fought Masamori Tokuyama on Dec 19, 1998 and lost by TKO in round 5 of 10.
Which world titles has Hiroki Ioka held? Hiroki Ioka has held 2 world title reigns: WBA light flyweight (1991–1992), WBC minimumweight (1987–1988). Sources Boxerbook ID 9599 · permanent link boxerbook.com/id/9599 . Wikidata (CC0), English Wikipedia (CC BY-SA), photo from Wikimedia Commons. Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.
