KO
Welterweight · Japan
Keita Obara 26-5-1 23 KO · 2010–2023
Updated Oct 14, 2026 · Sources: Wikidata, Wikipedia (ja), English Wikipedia, +3
Keita Obara is a welterweight boxer from Japan, born Nov 12, 1986. Record 26-5-1 with 23 knockouts over 2010–2023. Keita Obara last fought Jin Sasaki on Apr 8, 2023 and lost by TKO in round 3 of 12.
Also: Кэита Обара · 小原佳太 · Обара, Кэита
Born Nov 12, 1986
Country 🇯🇵 Japan
Stance Orthodox
Reach 184 cm
Debut Aug 9, 2010
Career 2010–2023
Rounds boxed 167
KO share 88%
Born in Kitakami, Iwate, Japan
Titles Japanese welterweight title 2022
Boxerbook rating 1744 ± 147 · inactive since Apr 2023Why here › Confirmed bouts 31 of 32 · 30 official
Record and next fight Record
26-5-1, 23 KOs · 2010–2023
Next fight
No next fight confirmed
Last result L
For WBO Asia Pacific welterweight title TKO 3/12 · Ariake Arena, Tokyo, 🇯🇵
The record 32 bouts, 2010–2023, newest first. Records under each bout are both boxers going in.
Bouts by source: English Wikipedia · 32, Wikipedia (ja) · 32, Japan Boxing Commission — 試合報告書 · 28, IBF/USBA Results · 2, Wikipedia (ru) · 1
L
For WBO Asia Pacific welterweight title TKO 3/12 · Ariake Arena, Tokyo, 🇯🇵
Obara 26-4-1 · Sasaki 14-1-1
W
Takeru Kobata
Retained Japanese welterweight title TKO 3/10 · Korakuen Hall, Tokyo, 🇯🇵
Obara 25-4-1 · Kobata —
W
Masaya Tamayama
Retained Japanese welterweight title TKO 5/10 · Korakuen Hall, Tokyo, 🇯🇵
Obara 24-4-1 · Tamayama —
W
Japanese welterweight title UD 10/10 · Korakuen Hall, Tokyo, 🇯🇵
Obara 23-4-1 · Sakai 25-11-2
W
Won Japanese welterweight title TKO 7/10 · Korakuen Hall, Tokyo, 🇯🇵
Obara 22-4-1 · Nagano 17-2-0
W
Japanese welterweight title eliminator TKO 4/8 · Korakuen Hall, Tokyo, 🇯🇵
Obara 21-4-1 · Tarumi 12-3-3
W
Yosmar Kefi
TKO 4/10 · Korakuen Hall, Tokyo, 🇯🇵
Obara 20-4-1 · Kefi —
L
UD 12/12 · 2300 Arena, Philadelphia, 🇺🇸
Obara 20-3-1 · Abduqaxorov 15-0-0
W
Alvin Lagumbay
Won WBO Asia Pacific welterweight title TKO 3/12 · Korakuen Hall, Tokyo, 🇯🇵
Obara 19-3-1 · Lagumbay —
L
Alvin Lagumbay
Lost WBO Asia Pacific welterweight title KO 2/12 · Korakuen Hall, Tokyo, 🇯🇵
Obara 19-2-1 · Lagumbay —
W
Shusaku Fujinaka
Retained WBO Asia Pacific welterweight title KO 5/12 · Korakuen Hall, Tokyo, 🇯🇵
Obara 18-2-1 · Fujinaka —
W
Narong Bunchan
Won vacant WBO Asia Pacific welterweight title TKO 2/12 · Korakuen Hall, Tokyo, 🇯🇵
Obara 17-2-1 · Bunchan —
W
Larry Siwu
UD 8/8 · Korakuen Hall, Tokyo, 🇯🇵
Obara 16-2-1 · Siwu —
L
For IBF and IBO light-welterweight titles TKO 2/12 · Soviet Wings Sport Palace, Moscow, 🇷🇺
Obara 16-1-1 · Troyanovsky 25-0-0
W
Sin Maneesri
TKO 1/8 · Korakuen Hall, Tokyo, 🇯🇵
Obara 15-1-1 · Maneesri —
D
Walter Castillo
MD 12/12 · Miccosukee Resort & Casino, Miami, 🇺🇸
Obara 15-1-0 · Castillo —
W
Praruehat Chaisuk
KO 3/10 · Korakuen Hall, Tokyo, 🇯🇵
Obara 14-1-0 · Chaisuk —
W
Yuya Okazaki
Retained WBC-OPBF light-welterweight title TKO 6/12 · Korakuen Hall, Tokyo, 🇯🇵
Obara 13-1-0 · Okazaki —
W
Rodel Wenceslao
TKO 4/10 · Korakuen Hall, Tokyo, 🇯🇵
Obara 12-1-0 · Wenceslao —
W
OPBF super lightweight title TKO 12/12 · Korakuen Hall, Tokyo, 🇯🇵
Obara 11-1-0 · Iwabuchi 23-4-0
Show all 32 bouts W
Jay Solmiano
Won vacant WBC-OPBF light-welterweight title KO 4/12 · Korakuen Hall, Tokyo, 🇯🇵
Obara 10-1-0 · Solmiano —
W
Tetsuya Hasunuma
Retained Japanese light-welterweight title TKO 9/10 · Korakuen Hall, Tokyo, 🇯🇵
Obara 9-1-0 · Hasunuma —
W
So Takenaka
Retained Japanese light-welterweight title KO 3/10 · Ariake Coliseum, Tokyo, 🇯🇵
Obara 8-1-0 · Takenaka —
W
Hayato Hokazono
Won vacant Japanese light-welterweight title TKO 4/10 · Korakuen Hall, Tokyo, 🇯🇵
Obara 7-1-0 · Hokazono —
W
Hayato Hokazono
TKO 8/10 · Korakuen Hall, Tokyo, 🇯🇵
Obara 6-1-0 · Hokazono —
W
Kazuya Maruki
TKO 8/8 · Korakuen Hall, Tokyo, 🇯🇵
Obara 5-1-0 · Maruki —
W
TKO 6/8 · Korakuen Hall, Tokyo, 🇯🇵
Obara 4-1-0 · Ideta —
W
TKO 2/8 · Korakuen Hall, Tokyo, 🇯🇵
Obara 3-1-0 · Nagashima 39-4-2
W
TKO 3/8 · Korakuen Hall, Tokyo, 🇯🇵
Obara 2-1-0 · Oguchi —
W
Daichi Sakoda
TD 5/6 · Korakuen Hall, Tokyo, 🇯🇵
Obara 1-1-0 · Sakoda —
W
Makoto Mori
TKO 2/6 · Korakuen Hall, Tokyo, 🇯🇵
Obara 0-1-0 · Mori —
L
Kazuyoshi Kumano
TKO 5/6 · Korakuen Hall, Tokyo, 🇯🇵
Obara 0-0-0 · Kumano —
Ratings now Not in any current ranking.
World titles No world title reigns recorded.
Facts
What is Keita Obara's record? Keita Obara's professional record is 26-5-1 with 23 knockouts.
When is Keita Obara's next fight? No next fight is confirmed as of 18 Oct 2026.
Who did Keita Obara fight last? Keita Obara last fought Jin Sasaki on Apr 8, 2023 and lost by TKO in round 3 of 12. Sources Boxerbook ID 6577 · permanent link boxerbook.com/id/6577 . Wikidata (CC0), English Wikipedia (CC BY-SA). Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.