Ryota Yamauchi
Flyweight · Japan

Ryota Yamauchi

15-5-0 14 KO · 2017–2026

Photo: 角海老宝石ボクシングジム, CC BY-SA 4.0 via Wikimedia Commons

Ryota Yamauchi is a flyweight boxer from Japan, born 1995. Record 15-5-0 with 14 knockouts over 2017–2026. Ryota Yamauchi last fought Nattanon Thongchai on May 29, 2026 and won by TKO in round 3 of 8.

Also: 山内涼太
Born1995
Country🇯🇵 Japan
StanceSouthpaw
DebutJun 30, 2017
Career2017–2026
Rounds boxed101
KO share93%
Born inToyonaka, Japan
TitlesWBO Asia Pacific flyweight title 2021
Boxerbook rating#13 in Flyweight · 1518 ± 137Why here ›
Confirmed bouts19 of 20 · 19 official

Record and next fight

Record
15-5-0, 14 KOs · 2017–2026
Next fight
No next fight confirmed

Last result

W
Nattanon Thongchai
TKO 3/8 · Korakuen Hall, 🇯🇵
2026-05-29 ›
official ★

The record

20 bouts, 2017–2026, newest first. Records under each bout are both boxers going in.

Bouts by source: Wikipedia (ja) · 19, Japan Boxing Commission — 試合報告書 · 18, English Wikipedia · 15, WBA Fights Master Scores · 1

W
Nattanon Thongchai
TKO 3/8 · Korakuen Hall, 🇯🇵
Yamauchi 14-5-0 · Thongchai —
2026-05-29 ›
official ★
L
Yūga Inoue 🇯🇵
TKO 8/8 · Korakuen Hall, 🇯🇵
Yamauchi 14-4-0 · Inoue 16-5-1
2025-09-05 ›
official ★
L
Jōsuke Nagata 🇯🇵
Vacant Japanese flyweight title
MD 10/10 · Korakuen Hall, 🇯🇵
Yamauchi 14-3-0 · Nagata 7-2-0
2025-04-08 ›
official ★
W
Orley Silvestre
KO 4/8 · Korakuen Hall, 🇯🇵
Yamauchi 13-3-0 · Silvestre —
2024-10-26 ›
official ★
W
Yasuhiro Kanzaki
TKO 6/8 · Korakuen Hall, Tokyo, 🇯🇵
Yamauchi 12-3-0 · Kanzaki —
2024-06-07 ›
official ★
W
Arnold Garde
KO 2/8 · Korakuen Hall, Tokyo, 🇯🇵
Yamauchi 11-3-0 · Garde —
2024-02-02 ›
official ★
W
Jakpan Sangtong
KO 2/8 · Korakuen Hall, Tokyo, 🇯🇵
Yamauchi 10-3-0 · Sangtong —
2023-08-24 ›
official ★
L
Jōsuke Nagata 🇯🇵
For vacant Japanese flyweight title
UD 10/10 · Korakuen Hall, Tokyo, 🇯🇵
Yamauchi 10-2-0 · Nagata 4-0-0
2023-04-01 ›
official ★
W
Palinya Kaikanh
TKO 1/8 · Korakuen Hall, 🇯🇵
Yamauchi 9-2-0 · Kaikanh —
2022-11-08 ›
official ★
W
Parinya Khaikanha
TKO 1/8 · Korakuen Hall, Tokyo, 🇯🇵
Yamauchi 8-2-0 · Khaikanha —
2022-08-11 ›
✓ one source
L
Junto Nakatani 🇯🇵
For WBO flyweight title
TKO 8/12 · Saitama Super Arena, Saitama, 🇯🇵
Yamauchi 8-1-0 · Nakatani 22-0-0
2022-04-09 ›
official ★
W
Yuta Nakayama
Retained WBO Asia Pacific flyweight title
TKO 7/12 · Korakuen Hall, Tokyo, 🇯🇵
Yamauchi 7-1-0 · Nakayama —
2021-06-24 ›
official ★
W
Satoru Todaka 🇯🇵
Won vacant WBO Asia Pacific flyweight title
TKO 3/12 · Korakuen Hall, Tokyo, 🇯🇵
Yamauchi 6-1-0 · Todaka 10-3-4
2020-08-19 ›
official ★
W
MJ Bo
KO 2/8 · Korakuen Hall, Tokyo, 🇯🇵
Yamauchi 5-1-0 · Bo —
2020-02-14 ›
official ★
W
Alphoe Dagayloan
MD 8/8 · Korakuen Hall, Tokyo, 🇯🇵
Yamauchi 4-1-0 · Dagayloan —
2019-08-23 ›
official ★
L
Wulan Tuolehazi 🇨🇳
For vacant WBA International flyweight title
UD 12/12 · PuTuo Stadium, PuTuo Stadium Shanghai, 🇨🇳
Yamauchi 4-0-0 · Tuolehazi 10-3-1
2019-03-30 ›
official ★
W
Rio Nainggolan
TKO 3/8 · Korakuen Hall, Tokyo, 🇯🇵
Yamauchi 3-0-0 · Nainggolan —
2018-10-01 ›
official ★
W
Yota Hori
TKO 5/8 · Korakuen Hall, Tokyo, 🇯🇵
Yamauchi 2-0-0 · Hori —
2018-05-07 ›
official ★
W
Lester Abutan
TKO 4/6 · Korakuen Hall, Tokyo, 🇯🇵
Yamauchi 1-0-0 · Abutan —
2017-12-19 ›
official ★
W
Supaluek Noiwaengphim
KO 2/6 · Korakuen Hall, Tokyo, 🇯🇵
Yamauchi 0-0-0 · Noiwaengphim —
2017-06-30 ›
official ★

Ratings now

Not in any current ranking.

World titles

No world title reigns recorded.

Facts

What is Ryota Yamauchi's record?
Ryota Yamauchi's professional record is 15-5-0 with 14 knockouts.
When is Ryota Yamauchi's next fight?
No next fight is confirmed as of 17 Oct 2026.
Who did Ryota Yamauchi fight last?
Ryota Yamauchi last fought Nattanon Thongchai on May 29, 2026 and won by TKO in round 3 of 8.

Sources

Boxerbook ID 15087 · permanent link boxerbook.com/id/15087. 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.

Wikipedia ↗Wikidata ↗