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Light flyweight · Japan

Kai Ishizawa

11-4-0 10 KO · 2017–2024

Kai Ishizawa is a light flyweight boxer from Japan, born 1996. Record 11-4-0 with 10 knockouts over 2017–2024. Kai Ishizawa last fought Regie Suganob on Apr 30, 2024 and lost by TKO in round 8 of 12.

Also: 石澤開
Born1996
Country🇯🇵 Japan
StanceOrthodox
DebutJun 3, 2017
Career2017–2024
Rounds boxed86
KO share91%
Born inSagamihara, Japan
TitlesJapanese minimumweight title 2022
Boxerbook rating1540 ± 153 · inactive since Apr 2024Why here ›
Confirmed bouts14 of 15 · 14 official

Record and next fight

Record
11-4-0, 10 KOs · 2017–2024
Next fight
No next fight confirmed

Last result

L
Regie Suganob
For WBO Global light flyweight title
TKO 8/12 · Holy Name University Gymnasium, Tagbilaran City, 🇵🇭
2024-04-30 ›
✓ one source

The record

15 bouts, 2017–2024, newest first. Records under each bout are both boxers going in.

Bouts by source: English Wikipedia · 15, Wikipedia (ja) · 15, Japan Boxing Commission — 試合報告書 · 14

L
Regie Suganob
For WBO Global light flyweight title
TKO 8/12 · Holy Name University Gymnasium, Tagbilaran City, 🇵🇭
Ishizawa 11-3-0 · Suganob —
2024-04-30 ›
✓ one source
L
Vince Paras 🇵🇭
SD 8/8 · Ariake Arena, Tokyo, 🇯🇵
Ishizawa 11-2-0 · Paras 19-2-1
2023-10-12 ›
official ★
W
Jaysever Abcede
KO 5/8 · Korakuen Hall, Tokyo, 🇯🇵
Ishizawa 10-2-0 · Abcede —
2023-06-12 ›
official ★
L
Masataka Taniguchi 🇯🇵
For WBO mini-flyweight title
TKO 11/12 · Korakuen Hall, Tokyo, 🇯🇵
Ishizawa 10-1-0 · Taniguchi 15-4-0
2022-04-22 ›
official ★
W
Katsutaka Mori 🇯🇵
Vacant Japanese minimumweight title
KO 8/10 · Korakuen Hall, Tokyo, 🇯🇵
Ishizawa 9-1-0 · Mori 9-0-0
2022-01-11 ›
official ★
W
Naoya Haruguchi
TKO 4/8 · Korakuen Hall, Tokyo, 🇯🇵
Ishizawa 8-1-0 · Haruguchi —
2021-10-08 ›
official ★
W
Yuni Takada 🇯🇵
Retained Japanese Youth minimumweight title
MD 8/8 · Korakuen Hall, Tokyo, 🇯🇵
Ishizawa 7-1-0 · Takada 8-6-2
2021-04-21 ›
official ★
W
Masashi Tada
TKO 6/8 · Korakuen Hall, Tokyo, 🇯🇵
Ishizawa 6-1-0 · Tada —
2020-10-13 ›
official ★
L
Masataka Taniguchi 🇯🇵
UD 8/8 · Korakuen Hall, Tokyo, 🇯🇵
Ishizawa 6-0-0 · Taniguchi 11-4-0
2019-09-21 ›
official ★
W
Silem Serang
TKO 4/8 · Korakuen Hall, Tokyo, 🇯🇵
Ishizawa 5-0-0 · Serang —
2019-06-01 ›
official ★
W
Yūga Inoue 🇯🇵
Won inaugural Japanese Youth minimumweight title
TKO 6/8 · Korakuen Hall, Tokyo, 🇯🇵
Ishizawa 4-0-0 · Inoue 7-0-1
2018-11-10 ›
official ★
W
Tatsuro Nakashima
TKO 5/6 · Tomigusuku Civic Gymnasium, Tomigusuku, Okinawa, 🇯🇵
Ishizawa 3-0-0 · Nakashima —
2018-04-08 ›
official ★
W
Narathip Sungsut
KO 1/6 · Korakuen Hall, Tokyo, 🇯🇵
Ishizawa 2-0-0 · Sungsut —
2018-01-30 ›
official ★
W
Yoshimitsu Kushibe
TKO 2/4 · Korakuen Hall, Tokyo, 🇯🇵
Ishizawa 1-0-0 · Kushibe —
2017-08-04 ›
official ★
W
Phongsaphon Panyakum
KO 2/6 · Korakuen Hall, Tokyo, 🇯🇵
Ishizawa 0-0-0 · Panyakum —
2017-06-03 ›
official ★

Ratings now

Not in any current ranking.

World titles

No world title reigns recorded.

Facts

What is Kai Ishizawa's record?
Kai Ishizawa's professional record is 11-4-0 with 10 knockouts.
When is Kai Ishizawa's next fight?
No next fight is confirmed as of 17 Oct 2026.
Who did Kai Ishizawa fight last?
Kai Ishizawa last fought Regie Suganob on Apr 30, 2024 and lost by TKO in round 8 of 12.

Sources

Boxerbook ID 15306 · permanent link boxerbook.com/id/15306. Wikidata (CC0), English Wikipedia (CC BY-SA), photo from the Instagram profile. Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.

Wikipedia ↗Wikidata ↗Instagram ↗