All fightersKoichi Ishizuka
Bantamweight21-6-1RECORD
8KO / TKO WINS
5SUBMISSION WINS
8DECISION WINS
Profile
| Full name | Not added yet |
|---|---|
| Nickname | Not added yet |
| Date of birth | 26 Feb 1987 |
| Nationality | Japan |
| Lives in | Tokyo |
| Division | Bantamweight |
| Team | Freelance |
| Height | Not added yet |
| Reach | Not added yet |
| Stance | Not added yet |
| Weight | Not added yet |
| Pro debut | 3 Mar 2012 |
| Last fight | 14 Dec 2025 |
Details on this page were compiled from public information on 30 Sep 2026 (the record is as of that date). Is this you? Claim this profile to correct anything and add your photo and bio. Claim this profile
Fight history
28 professional fights on file. Newest first.
| Result | Opponent | Method | Round | Time | Event | Date |
|---|---|---|---|---|---|---|
| Win | Yasuhiro Kawamura | Decision (unanimous) | 3 | 5:00 | Deep - 129 Impact | 14 Dec 2025 |
| Referee Minoru Toyonaga | ||||||
| Win | Akira Haraguchi | Decision (split) | 3 | 5:00 | Deep - Tokyo Impact 2024 3rd Round | 26 May 2024 |
| Referee Tomoki Matsumiya | ||||||
| Loss | Su Young You | TKO (elbows and punches) | 1 | 4:28 | Deep - 115 Impact: Deep vs. Black Combat | 18 Sep 2023 |
| Referee Naoya Uematsu | ||||||
| Win | Yuto Hokamura | Decision (split) | 3 | 5:00 | Rizin FF - Rizin 41 | 1 Apr 2023 |
| Referee Masato Fukuda | ||||||
| Win | Kosuke Terashima | Decision (unanimous) | 3 | 5:00 | Deep - 110 Impact | 12 Nov 2022 |
| Referee Minoru Toyonaga | ||||||
| Win | Seigo Yamamoto | TKO (punches) | 2 | 2:27 | Deep - 109 Impact | 21 Aug 2022 |
| Referee Akira Shibata | ||||||
| Win | Wataru Mimura | KO (punches) | 1 | 1:23 | Deep - Tokyo Impact 2022 1st Round | 12 Mar 2022 |
| Referee Tatsuro Nagase | ||||||
| Win | Kunihisa Sasa | Submission (triangle choke) | 3 | 1:46 | Deep - 105 Impact | 12 Dec 2021 |
| Referee Masato Fukuda | ||||||
| Win | Kosuke Terashima | Decision (split) | 2 | 5:00 | Deep - 101 Impact | 20 Jun 2021 |
| Referee Tatsuro Nagase | ||||||
| Loss | Chihaya Yoneyama | KO (knee) | 1 | 4:24 | Deep - 92 Impact | 22 Oct 2019 |
| Referee Yasuhiro Tazawa | ||||||
| Loss | Rikuto Shirakawa | Decision (split) | 2 | 5:00 | Deep - 90 Impact | 29 Jun 2019 |
| Referee Tatsuro Nagase | ||||||
| Win | Shoji Maruyama | KO (punch) | 2 | 4:59 | Deep - 88 Impact | 9 Mar 2019 |
| Referee Hirokazu Takamoto | ||||||
| Loss | Daiki Hata | Decision (unanimous) | 3 | 5:00 | Deep - 87 Impact | 22 Dec 2018 |
| Referee Naoya Uematsu | ||||||
| Win | Fuhito Hasegawa | Decision (unanimous) | 2 | 5:00 | Deep - 86 Impact | 27 Oct 2018 |
| Referee Yoshinori Umeki | ||||||
| Win | Kazuhide Shirota | TKO (punches) | 1 | 3:19 | Deep - 82 Impact | 24 Feb 2018 |
| Referee Yoshinori Umeki | ||||||
| Win | Nak Joong Sung | Submission (rear-naked choke) | 1 | 1:26 | Deep - 81 Impact | 23 Dec 2017 |
| Referee Yoshinori Umeki | ||||||
| Loss | Hiroto Uesako | KO (soccer kick) | 3 | 2:29 | Deep - Cage Impact 2017 in Korakuen Hall | 15 Jul 2017 |
| Referee Yoshinori Umeki | ||||||
| Loss | Takafumi Otsuka | Decision (split) | 3 | 5:00 | Deep - Cage Impact 2017 | 13 May 2017 |
| Referee Masato Fukuda | ||||||
| Win | Toshiaki Kitada | Decision (majority) | 3 | 5:00 | Deep - Cage Impact 2016: Deep vs. WSOF-GC | 17 Dec 2016 |
| Referee Masato Fukuda | ||||||
| Win | Makoto Kamaya | KO (punch) | 1 | 3:34 | Deep - Cage Impact 2015 | 20 Jul 2015 |
| Referee Kenichi Serizawa | ||||||
| Win | Daisuke Endo | Decision (unanimous) | 3 | 5:00 | Deep - 70 Impact | 21 Dec 2014 |
| Referee Tomoki Matsumiya | ||||||
| Win | Hiroyuki Kobayashi | Submission (rear-naked choke) | 2 | 1:33 | Deep - Cage Impact 2014 | 21 Jul 2014 |
| Referee Yoshinori Umeki | ||||||
| Draw | Seiji Akao | Draw (majority) | 2 | 5:00 | Deep - 65 Impact | 22 Mar 2014 |
| Referee Kenichi Serizawa | ||||||
| Win | Yoshiki Harada | Submission (rear-naked choke) | 1 | 3:54 | Deep - Cage Impact 2013 | 15 Jun 2013 |
| Referee Yuji Shimada | ||||||
| Win | Katsuya Ishida | Submission (rear-naked choke) | 1 | 4:51 | Deep - 60 Impact | 19 Oct 2012 |
| Referee Akira Shoji | ||||||
| Win | Yasufumi Suzaki | TKO (punches) | 1 | 2:58 | Deep - Tokyo Impact 2012 in Differ Ariake | 21 Jul 2012 |
| Referee Moritaka Oshiro | ||||||
| Win | Minotauro Hutt | TKO (punches) | 2 | 3:15 | Deep - Cage Impact 2012 in Tokyo: Over Again | 7 Apr 2012 |
| Win | Motoki Konno | TKO (punches) | 1 | 1:27 | Deep / Smash - Japan MMA League 2011 Finals | 3 Mar 2012 |
Amateur fights
Amateur record 3-1 (4 fights). Not counted in the professional record.
| Result | Opponent | Method | Round | Time | Event | Date |
|---|---|---|---|---|---|---|
| Loss | Yuki Baba | Decision (unanimous) | 2 | 5:00 | Deep - Future King Tournament 2011 | 10 Dec 2011 |
| Win | Kenichi Kinoshita | Decision (unanimous) | 1 | 5:00 | Deep - Future King Tournament 2011 | 10 Dec 2011 |
| Win | Naohiro Takaoka | Submission (triangle choke) | 1 | 2:21 | Deep - Future King Tournament 2011 | 10 Dec 2011 |
| Win | Taiyo Hayashi | Decision (majority) | 2 | 5:00 | Deep / Smash - Japan MMA League 2011 vol. 6 | 8 Oct 2011 |