Welterweight
Ryuko Ishii
8-1-1 8 KO · 2022–2026
Updated · Sources: Wikidata, Wikipedia (ja), Japan Boxing Commission — 試合報告書
Ryuko Ishii is a welterweight boxer. Record 8-1-1 with 8 knockouts over 2022–2026. Ryuko Ishii last fought Takumi Fukunaga on Sep 21, 2026 and won by TKO in round 1 of 8.
Also: 石井竜虎
Born—
Country—
DebutMay 15, 2022
Career2022–2026
Rounds boxed21
KO share100%
TitlesJapanese youth welterweight title 2026
Boxerbook rating#38 in Welterweight · 1544 ± 183Why here ›
Confirmed bouts10 of 10 · 10 official
Record and next fight
Record
8-1-1, 8 KOs · 2022–2026
Next fight
No next fight confirmed
Last result
The record
10 bouts, 2022–2026, newest first. Records under each bout are both boxers going in.
Bouts by source: Wikipedia (ja) · 10, Japan Boxing Commission — 試合報告書 · 10
Ratings now
Not in any current ranking.
World titles
No world title reigns recorded.
Facts
- What is Ryuko Ishii's record?
- Ryuko Ishii's professional record is 8-1-1 with 8 knockouts.
- When is Ryuko Ishii's next fight?
- No next fight is confirmed as of 18 Oct 2026.
- Who did Ryuko Ishii fight last?
- Ryuko Ishii last fought Takumi Fukunaga on Sep 21, 2026 and won by TKO in round 1 of 8.
Sources
Boxerbook ID 20662 · permanent link boxerbook.com/id/20662. Wikidata (CC0), English Wikipedia (CC BY-SA). Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.