
Fight night · ONE
Sawada meets Nikolakakos for the atomweight title
Sawada has won four in a row, and a win would make her the first Japanese woman to hold a ONE world title. Denice Zamboanga vacated the belt on June 23, 2026.
ONE · atomweight

12–1–1
0 KO · 5 SUB · 7 DEC
Chihiro Sawada fights at women's atomweight in ONE. The draw is her debut.
She submitted Ayaka Miura with an armbar at 4:33 of the first round at ONE Samurai 1 on April 29, 2026. She has won four in a row. The loss is a unanimous decision to Meng Bo at ONE Fight Night 27 on January 11, 2025.
She trains at Team Akatsuki in Tokyo, and she won the Shooto women’s atomweight title in 2022 and defended it once. ONE lists her camp as AACC, and she won wrestling championships in Japan before she moved to MMA in 2021.

Fight night · ONE
Sawada has won four in a row, and a win would make her the first Japanese woman to hold a ONE world title. Denice Zamboanga vacated the belt on June 23, 2026.
| Date | Opponent | Result | Method | Round | Time | Event |
|---|---|---|---|---|---|---|
| Ayaka Miura | Win | Submission (armbar) | 1 | 4:33 | ONE Samurai 1 | |
| Natalie Salcedo | Win | Decision (unanimous) | 3 | 5:00 | ONE Fight Night 39 | |
| Itsuki Hirata | Win | Decision (unanimous) | 3 | 5:00 | ONE 173 | |
| Macarena Aragon | Win | Submission (armbar)Catchweight. Aragon missed weight at 118.25 pounds. | 1 | 3:52 | ONE Fight Night 33 | |
| Meng Bo | Loss | Decision (unanimous) | 3 | 5:00 | ONE Fight Night 27 | |
| Noelle Grandjean | Win | Decision (unanimous) | 3 | 5:00 | ONE Fight Night 22 | |
| Jihin Radzuan | Win | Decision (unanimous)Radzuan missed weight at 120 pounds. | 3 | 5:00 | ONE Fight Night 20 | |
| Miku Nakamura | Win | Technical submission (armbar)Defended the Shooto women’s atomweight title. | 1 | 4:57 | Shooto Colors 2 | |
| Ana Palacios | Win | Decision (unanimous) | 3 | 5:00 | Combate Global | |
| Sanaz Fayazmanesh | Win | Submission (keylock) | 2 | 0:53 | ONE Friday Fights 5 | |
| Yuki Ono | Win | Decision (unanimous)Won the Shooto women’s atomweight title. | 2 | 5:00 | Professional Shooto 2022 Vol. 7 | |
| Hisae Watanabe | Win | Submission (rear-naked choke) | 2 | 0:59 | Professional Shooto 2022 Vol. 3 | |
| Miku Nakamura | Win | Decision (majority) | 2 | 5:00 | Professional Shooto 2021 Vol. 7 | |
| Yuki Ono | Draw | Draw (unanimous)Pro debut. | 2 | 5:00 | Professional Shooto 2021 Vol. 3 |