| Pro Record: | 4-3-0 (Win-Loss-Draw) |
| Team: | |
| Sex: | Female |
Yuko Oya's Professional Record
| Date | Result | Opponent | Event | Method | Round | Time | ||
|---|---|---|---|---|---|---|---|---|
| NSF | 03/03/2012 | Loss | Emi Tomimtasu | Jewels: 18th Ring | Decision Unanimous Decision | 2 | ||
| NSF | 09/11/2011 | Win | Akiko Naito | Jewels: 16th Ring | Decision Split Decision | 2 | ||
| NSF | 12/17/2010 | Loss | Saori Ishioka | Jewels: 11th Ring | Submission Arm Bar | 1 | 2:14 | |
| NSF | 07/31/2010 | Win | Misaki Ozawa | Jewels: Ninth Ring | Submission Arm Bar | 2 | 2:27 | |
| NSF | 05/23/2010 | Win | Harumi Harumi | Jewels: Eighth Ring | Submission Arm Bar | 1 | 3:45 | |
| NSF | 09/13/2009 | Loss | Yoko Kagoshima | Jewels: Fifth Ring | Decision Unanimous Decision | 2 | ||
| NSF | 11/16/2008 | Win | Misaki Ozawa | Jewels: First Ring | Submission Arm Bar | 1 | 4:03 |
 : |
Bout results verified by an official State, Tribal, Provincial, or Municipal Commission. |
| NSF: | Non Sanctioned Fight |
| * : | For a variety of reasons, including weight disparity and the demands of entertainment, Exhibition Bouts are held, in which the contest is unscripted and hard fought, but the results do not count on a fighter's Official Record. |
| NC: | Fight Declared No Contest |
