Maryna Moroz

Ultimate Fighting Championship Moroz made her promotional debut in the Ultimate Fighting Championship (UFC) against Joanne Calderwood on April 11, 2015, at UFC Fight Night 64. Moroz won the fight via armbar submission in the first round. This win earned Moroz her first Performance of the Night bonus award.

Moroz next faced Valérie Létourneau on August 23, 2015, at UFC Fight Night 74. Moroz lost the back-and-forth fight via unanimous decision.

Moroz rebounded from her first career defeat with a decision win over Cristina Stanciu at UFC Fight Night: Rothwell vs. dos Santos on April 10, 2016.

Moroz defeated Danielle Taylor at UFC Fight Night: Rodríguez vs. Caceres via split decision on August 6, 2016.

On June 25, 2017, Moroz faced inaugural UFC women's strawweight champion Carla Esparza at UFC Fight Night: Chiesa vs. Lee. She lost the fight via unanimous decision.

Moroz was expected to face Jamie Moyle on January 20, 2018, at UFC 220. However, Moyle pulled out of the fight during the week leading up to the event, citing an undisclosed injury, and the bout was cancelled.

Moroz faced former Invicta FC champion Angela Hill on February 24, 2018, at UFC on Fox: Emmett vs. Stephens. She lost the fight by unanimous decision.

Moroz was expected to face Ariane Lipski on November 17, 2018, at UFC Fight Night 140. However, on October 29, 2018, it was reported that Moroz pulled out from the bout, due to an injury.

Moroz faced promotional newcomer Sabina Mazo in her flyweight debut on March 30, 2019, at UFC on ESPN 2. Moroz won the fight via unanimous decision.

Moroz was expected to face Poliana Botelho on August 17, 2019, at UFC 241. However, it was reported on August 1, 2019, that Moroz was forced to pull from the event, citing an injury.

Moroz faced Mayra Bueno Silva on March 14, 2020, at UFC Fight Night 170. Moroz won the fight via unanimous decision. This fight earned her the Fight of the Night award.

Moroz was scheduled to face Montana De La Rosa on September 5, 2020, at UFC Fight Night 176. However, Moroz was forced to withdraw from the event, due to visa issues, and she was replaced by Viviane Araújo.

Moroz was scheduled to face Taila Santos on December 5, 2020, at UFC on ESPN 19. However, on November 18, it was announced that Moroz had to pull out, and she was replaced by Montana De La Rosa.

Moroz was scheduled to face Manon Fiorot on June 5, 2021, at UFC Fight Night 189. However, Moroz was pulled from the event for undisclosed reasons, and she was replaced by Tabatha Ricci.

Moroz was scheduled to face Luana Carolina on October 16, 2021, at UFC Fight Night 195. However, at the end of September, Moroz pulled out of the bout for undisclosed reasons and was replaced by Sijara Eubanks.

Moroz faced Mariya Agapova on March 5, 2022, at UFC 272. She won the fight via a submission in round two. This win earned her the Performance of the Night award.

Moroz was scheduled to face Sijara Eubanks on July 9, 2022, at UFC Fight Night 209. However, the pair was moved to UFC Fight Night 210 on September 17, 2022, for undisclosed reasons. In early September, the bout was scrapped again for undisclosed reasons as Moroz was rebooked for a new bout. However, the pair was moved to UFC Fight Night 215 on November 19, 2022, for undisclosed reasons. Moroz lost the fight via unanimous decision.

Moroz faced Karine Silva in a rematch on August 19, 2023, at UFC 292. She lost the fight via a guillotine choke submission in the first round.

Moroz faced Joanne Wood on March 9, 2024, at UFC 299 She lost the bout by split decision.

In early September 2025, Moroz was handed a 1-year suspension by Combat Sports Anti-Doping (CSAD), after she tested positive for the banned substance Meldonium in two separate tests during the summer. She is eligible to compete again on July 17, 2026.

On September 11, 2025, it was reported that Moroz was released by the UFC.

Championships and accomplishments

Mixed martial arts Ultimate Fighting Championship Fight of the Night (One time)

Mixed martial arts record Loss

Joanne Wood Decision (split) UFC 299

Miami, Florida, United States Loss

Karine Silva Submission (guillotine choke) UFC 292

Boston, Massachusetts, United States Loss

Jennifer Maia Decision (unanimous) UFC Fight Night: Nzechukwu vs. Cuțelaba

|Las Vegas, Nevada, United States Win

Mariya Agapova Submission (arm-triangle choke) UFC 272

Las Vegas, Nevada, United States Win

Mayra Bueno Silva Decision (unanimous) UFC Fight Night: Lee vs. Oliveira

Brasília, Brazil Win

Sabina Mazo Decision (unanimous) UFC on ESPN: Barboza vs. Gaethje

Philadelphia, Pennsylvania, United States Loss

Angela Hill Decision (unanimous) UFC on Fox: Emmett vs. Stephens

Orlando, Florida, United States Loss

Carla Esparza Decision (unanimous) UFC Fight Night: Chiesa vs. Lee

Oklahoma City, Oklahoma, United States Win

Danielle Taylor Decision (split) UFC Fight Night: Rodríguez vs. Caceres

Salt Lake City, Utah, United States Win

Cristina Stanciu Decision (unanimous) UFC Fight Night: Rothwell vs. dos Santos

Zagreb, Croatia Loss

Valérie Létourneau Decision (unanimous) UFC Fight Night: Holloway vs. Oliveira

Saskatoon, Saskatchewan, Canada Win

Joanne Calderwood Submission (armbar) UFC Fight Night: Gonzaga vs. Cro Cop 2

Kraków, Poland Win

Karine Silva Submission (armbar) XFC International 7

São Paulo, Brazil Win

Ilona Avdeeva TKO (doctor stoppage) IMAT: Moroz vs. Avdeeva

Moscow, Russia Win

Jin Tang Submission (straight armbar) Kunlun Fight 8

Leshan, China Win

Feier Huang Submission (armbar) Kunlun Fight 5

Leshan, China Win

Yana Kuzioma Submission (armbar) Oplot Challenge 89

Kharkiv, Ukraine