| Geplant | | Kayla Harrison  | - |  | UFC 334: Gane vs Hokit | Nov 14, 2026 | - | - | New York City, New York, United States |
| Cancelled Bout | | Kayla Harrison | - |  | UFC 324: Gaethje vs Pimblett | Jan 24, 2026 | - | - | Las Vegas, Nevada, United States |
| Sieg | 23-5 | Irene Aldana  | Decision (Unanimous) |  | UFC 289: Nunes vs Aldana | Jun 10, 2023 | 5 | 5:00 | Vancouver, British Columbia, Canada  |
| Sieg | 22-5 | Julianna Peña | Decision (unanimous) |  | UFC 277: Peña vs Nunes 2 | Jul 30, 2022 | 5 | 5:00 | Dallas, Texas, United States |
| Niederlage | 21-5 | Julianna Peña | Submission (Rear-Naked Choke) |  | UFC 269: Oliveira vs Poirier | Dec 11, 2021 | 2 | 3:26 | Las Vegas, Nevada, United States |
| Cancelled Bout | | Julianna Peña | - |  | UFC 265: Lewis vs Gane | Aug 07, 2021 | - | - | Las Vegas, Nevada, United States |
| Sieg | 21-4 | Megan Anderson  | Submission (Triangle Armbar) |  | UFC 259: Błachowicz vs Adesanya | Mar 06, 2021 | 1 | 2:03 | Las Vegas, Nevada, United States |
| Cancelled Bout | | Megan Anderson | - |  | UFC 256: Nunes vs Anderson | Dec 12, 2020 | - | - | Las Vegas, Nevada, United States |
| Sieg | 20-4 | Felicia Spencer | Decision (Unanimous) |  | UFC 250: Nunes vs. Spencer | Jun 06, 2020 | 5 | 5:00 | Las Vegas, Nevada, United States |
| Cancelled Bout | | Felicia Spencer | - |  | UFC 249: Ferguson vs Gaethje | May 09, 2020 | - | - | Jacksonville, Florida, United States |
| Sieg | 19-4 | Germaine de Randamie  | Decision (Unanimous) |  | UFC 245: Usman vs Covington | Dec 14, 2019 | 5 | 5:00 | Las Vegas, Nevada, United States |
| Sieg | 18-4 | Holly Holm | TKO (Head Kick and Punches) |  | UFC 239: Jones vs Santos | Jul 06, 2019 | 1 | 4:10 | Las Vegas, Nevada, United States |
| Sieg | 17-4 | Cristiane Justino  | KO (punch) |  | UFC 232 | Dec 29, 2018 | 1 | 0:51 | Inglewood, California, United States |
| Sieg | 16-4 | Raquel Pennington | TKO (Elbows and Punches) |  | UFC 224 | May 12, 2018 | 5 | 2:36 | Rio de Janeiro, Brazil |
| Sieg | 15-4 | Valentina Shevchenko  | Decision (split) |  | UFC 215: Nunes vs Shevchenko 2 | Sep 09, 2017 | 5 | 5:00 | Edmonton, Alberta, Canada |
| Cancelled Bout | | Valentina Shevchenko | - |  | UFC 213: Nunes vs Shevchenko 2 | Jul 08, 2017 | - | - | Las Vegas, Nevada, United States |
| Sieg | 14-4 | Ronda Rousey | TKO (punches) |  | UFC 207: Nunes vs Rousey | Dec 30, 2016 | 1 | 0:48 | Las Vegas, Nevada, United States |
| Sieg | 13-4 | Miesha Tate | Submission (rear-Naked Choke) |  | UFC 200: Tate vs Nunes | Jul 09, 2016 | 1 | 3:16 | Las Vegas, Nevada, United States |
| Sieg | 12-4 | Valentina Shevchenko | Decision (unanimous) |  | UFC 196: McGregor vs Diaz | Mar 05, 2016 | 3 | 5:00 | Las Vegas, United States |
| Sieg | 11-4 | Sara McMann | Submission (rear-naked choke) |  | UFC Fight Night: Teixeira vs. Saint Preux | Aug 08, 2015 | 1 | 2:53 | Nashville, Tennessee, United States |
| Sieg | 10-4 | Shayna Baszler | TKO (leg kick) |  | UFC Fight Night: Maia vs. LaFlare | Mar 21, 2015 | 1 | 1:56 | Rio de Janeiro, Brazil |
| Niederlage | 9-4 | Cat Zingano | TKO (elbows & punches) |  | UFC 178: Johnson vs Cariaso | Sep 27, 2014 | 3 | 1:21 | Las Vegas, United States |
| Cancelled Bout | | Alexis Dufresne | - |  | UFC on FOX 11: Werdum vs. Browne | Apr 19, 2014 | - | - | Orlando, Florida, United States |
| Cancelled Bout | | Sarah Kaufman | - |  | UFC UFN | Apr 16, 2014 | - | - | Quebec City, Canada |
| Sieg | 9-3 | Germaine de Randamie | TKO (elbows) |  | UFC: Fight for the Troops 3 | Nov 06, 2013 | 1 | 3:56 | Fort Campbell, Kentucky, United States |
| Sieg | 8-3 | Sheila Gaff  | TKO (punches and elbows) |  | UFC 163 | Aug 03, 2013 | 1 | 2:08 | Rio de Janeiro, Brazil |
| Cancelled Bout | | Kaitlin Young | - |  | Invicta FC 5: Penne vs. Waterson | May 04, 2013 | - | - | Kansas City, Missouri, United States |
| Niederlage | 7-3 | Sarah D'Alelio | Decision (unanimous) |  | Invicta FC 4: Esparza vs. Hyatt | Jan 05, 2013 | 3 | 5:00 | Kansas City, Kansas, United States |
| Cancelled Bout | | Cat Zingano | - | | Strikeforce: Melendez vs Healy | Sep 29, 2012 | - | - | Sacramento, United States |
| Cancelled Bout | | Leslie Smith | - |  | Invicta FC 2: Baszler vs. McMann | Jul 28, 2012 | - | - | Kansas City, Kansas, United States |
| Cancelled Bout | | Milana Dudieva  | - |  | Invicta FC 2: Baszler vs. McMann | Jul 28, 2012 | - | - | Kansas City, Kansas, United States |
| Sieg | 7-2 | Raquel Pa'aluhi | Technical Submission (rear-naked choke) | | Invicta FC 2: Baszler vs. McMann | Jul 28, 2012 | 1 | 2:24 | Kansas City, Kansas, United States |
| Niederlage | 6-2 | Alexis Davis | TKO (punches) |  | Strikeforce: Barnett vs. Kharitonov | Sep 10, 2011 | 2 | 4:53 | Cincinnati, Ohio, United States |
| Cancelled Bout | | Julie Kedzie | - |  | Strikeforce: Overeem vs Werdum | Jun 18, 2011 | - | - | Dallas, Texas, United States |
| Sieg | 6-1 | Julia Budd | KO (punches) |  | Strikeforce: Woodley vs. Saffiedine | Jan 07, 2011 | 1 | 0:14 | Nashville, Tennessee, United States |
| Sieg | 5-1 | Ediane Gomes | TKO (Punches) | | BC - Bitetti Combat 6 | Feb 25, 2010 | 2 | 3:00 | Brasilia, Federal District, Brazil |
| Sieg | 4-1 | Vanessa Porto | TKO (corner stoppage) | | Samurai FC 2: Warrior's Return | Dec 12, 2009 | 2 | 5:00 | Curitiba, Brazil |
| Sieg | 3-1 | Deise Lee Rocha | TKO (punches) | | Samurai Fight Combat | Sep 12, 2009 | 1 | 1:08 | Curitiba, Brazil |
| Sieg | 2-1 | Nadja Nadja | TKO (punches) | | Prime: MMA Championship 3 | Jul 01, 2009 | 1 | 0:47 | Salvador, Brazil |
| Sieg | 1-1 | Paty Barbosa | TKO (corner stoppage) | | Demo Fight 3 | May 24, 2008 | 1 | 0:11 | Salvador, Brazil |
| Niederlage | 0-1 | Ana Maria | Submission (armbar) | | Prime: MMA Championship 2 | Mar 08, 2008 | 1 | 0:35 | Salvador, Brazil |
