26
54%
Finish Rate
3
KO / TKO
11
Submissions
2009
Pro Debut
Biography
Ayaka Hamasaki is a Japanese female mixed martial artist, judoka and submission grappler. She is the former Rizin Super Atomweight Champion. She has fought in MMA promotions Shooto, Jewels and Rizin in Japan, and Invicta FC in the United States. Hamasaki won the first Jewels 115 lb (52 kg) Queen tournament to become the first lightweight champion of the promotion. Hamasaki vacated her title due to injuries on August 31, 2013 (2013-08-31).
How He Wins
KO / TKO3
Decision12
Submission11
Finish Rate
54%
14 of 26
wins by finish
wins by finish
Recent Form
W
W
L
L
W
L
W
L
W
L
Mixed Martial Arts34 Bouts
| Result | Opponent | Method | Rd | Event | Date |
|---|---|---|---|---|---|
| Loss |  Natalia KuziutinaH2H | Submission (armbar) | R1 | Rizin Landmark 13 | Apr 12, 2026 |
| Win | Lee Ye-ji | Decision (unanimous) | R3 | Deep Jewels 51 | Nov 23, 2025 |
| Loss |  Moeri SudaH2H | Submission (rear-naked choke) | R1 | Deep Jewels 48 | Mar 23, 2025 |
| Win | Shim Yu-ri | Submission (kimura) | R2 | Rizin Landmark 10 | Nov 17, 2024 |
| Loss | Park Si-woo | Decision (unanimous) | R3 | Rizin 38 | Sep 25, 2022 |
| Win |  Jessica AguilarH2H | Decision (unanimous) | R3 | Rizin 37 | Jul 31, 2022 |
| Loss | Seika IzawaH2H | Decision (unanimous) | R3 | Rizin 35 | Apr 17, 2022 |
| Loss | Seika IzawaH2H | TKO (elbows and punches) | R2 | Rizin 33 | Dec 31, 2021 |
| Win | Emi FujinoH2H | Decision (unanimous) | R3 | Rizin 30 | Sep 19, 2021 |
| Win | Kanna AsakuraH2H | Decision (split) | R3 | Rizin 27 | Mar 21, 2021 |
| Win | Miyuu YamamotoH2H | Submission (leg scissor choke) | R1 | Rizin 26 | Dec 31, 2020 |
| Win | Tomo MaesawaH2H | Submission (kimura) | R2 | Rizin 22 | Aug 9, 2020 |
| Loss | Ham Seo-hee | Decision (split) | R3 | Rizin 20 | Dec 31, 2019 |
| Win |  Suwanan BoonsornH2H | Submission (armbar) | R1 | Rizin 18 | Aug 18, 2019 |
| Win | Jinh Yu FreyH2H | Decision (unanimous) | R3 | Rizin 16 | Jun 2, 2019 |
| Win | Kanna AsakuraH2H | Submission (armbar) | R2 | Rizin 14 | Dec 31, 2018 |
| Win | Mina KurobeH2H | Submission (kimura) | R1 | Rizin 13 | Sep 30, 2018 |
| Win | Alyssa GarciaH2H | Decision (unanimous) | R3 | Rizin 10 | May 6, 2018 |
| Loss | Lívia Renata Souza | KO (punches) | R1 | Invicta FC 22 | Mar 25, 2017 |
| Win | Jinh Yu FreyH2H | TKO (doctor stoppage) | R2 | Invicta FC 19 | Sep 23, 2016 |
| Win | Amber BrownH2H | Submission (armbar) | R3 | Invicta FC 16 | Mar 11, 2016 |
| Win |  Hérica TibúrcioH2H | Decision (split) | R5 | Invicta FC 13 | Jul 9, 2015 |
| Win | Mei YamaguchiH2H | Decision (unanimous) | R2 | DEEP Dream Impact 2014: Omisoka Special | Dec 31, 2014 |
| Win | Naho SugiyamaH2H | TKO (Punches) | R1 | Deep Jewels 5 | Aug 9, 2014 |
| Loss | Cláudia GadelhaH2H | TKO (punches) | R3 | Invicta FC 6 | Jul 13, 2013 |
| Win | Emi FujinoH2H | Decision (unanimous) | R3 | Jewels 22nd Ring | Dec 15, 2012 |
| Win | Lacey Schuckman | Submission (armbar) | R3 | Invicta FC 2 | Jul 28, 2012 |
| Win | Yuka TsujiH2H | Submission (kimura) | R1 | Jewels 19th Ring | May 26, 2012 |
| Win | Ham Seo-hee | TKO (corner stoppage) | R1 | Jewels 17th Ring | Dec 17, 2011 |
| Win | Mizuki InoueH2H | Decision (unanimous) | R2 | Jewels 16th Ring | Sep 11, 2011 |
| Win | Ham Seo-hee | Decision (unanimous) | R2 | Jewels 11th Ring | Dec 17, 2010 |
| Win | Sakura NomuraH2H | Decision (unanimous) | R2 | Jewels 11th Ring | Dec 17, 2010 |
| Win | Lee Han-sol | Submission (Americana) | R1 | Jewels 9th Ring | Jul 31, 2010 |
| Win | Kinuka SasakiH2H | Submission (armbar) | R2 | Shooto: Gig Central 19 | Oct 25, 2009 |
Related Fighters
Data sourced from public records for archival/research purposes.