Vanessa Melo

Ultimate Fighting Championship Melo was welcomed into the UFC as a short-notice replacement by Irene Aldana at UFC on September 21, 2019. At the weigh-ins, Melo weighed in at 140 pounds, 4 pounds over the bantamweight non-title fight limit of 136. She was fined 30% of her purse and her bout with Aldana proceeded at a catchweight. Aldana won the fight by unanimous decision.

Melo's next fight was again a late-replacement fight against Tracy Cortez on November 11, 2019 in Sao Paulo at UFC Fight Night: Błachowicz vs. Jacaré. At the weigh-ins, Cortez and Melo both missed weight for their fight, both weighing in at 136.5 pounds, 0.5 pounds over the bantamweight non-title fight limit of 136. The bout was initially proceeded at a catchweight and no fine was issued due to identical misses. However, later on the same day, Brazil's athletic commission (CABMMA) executive director Cristiano Sampaio announced that due to an error of the scale used at the weight-ins was set was 0.7 pounds above the official scale and thus both fighters were officially clear from missing weight and the bout proceeded at bantamweight. Melo lost the bout by unanimous decision.

Melo faced Karol Rosa at UFC 251 on July 11, 2020. She weighed in at 141 pounds, five pounds over the bantamweight non-title fight limit. She lost the fight via unanimous decision.

Melo was scheduled to face Sarah Moras on November 7, 2020 at UFC Fight Night 182. However, Moras tested positive for COVID-19 and the bout was postponed to take place at UFC on ABC: Holloway vs. Kattar on January 16, 2021. She won the fight via unanimous decision.

On February 4, 2021, it was announced that Melo was released from her UFC contract.

Professional Fighters League Melo faced Martina Jindrová on May 6, 2022 at PFL 3. She lost the bout via unanimous decision.

Melo faced Olena Kolesnyk on July 1, 2022 at PFL 6. She lost the bout via unanimous decision.

Championships and accomplishments Standout Fighting Tournament SFT Flyweight Championship

Mixed martial arts record Loss

Alana Cook Decision (split) BTC 32

Niagara Falls, Ontario, Canada Loss

Fernanda Barbosa Decision (split) Standout Fighting Tournament 48

São Paulo, Brazil Loss

Sidy Rocha Decision (unanimous) Standout Fighting Tournament 44

São Paulo, Brazil Loss

Olena Kolesnyk Decision (unanimous) PFL 6 (2022)

Atlanta, Georgia, United States Loss

Martina Jindrová Decision (unanimous) PFL 3 (2022)

Arlington, Texas, United States Win

Sarah Moras Decision (unanimous) UFC on ABC: Holloway vs. Kattar

Abu Dhabi, United Arab Emirates Loss

Karol Rosa Decision (unanimous) UFC 251

Abu Dhabi, United Arab Emirates Loss

Tracy Cortez Decision (unanimous) UFC Fight Night: Błachowicz vs. Jacaré

São Paulo, Brazil Loss

Irene Aldana Decision (unanimous) UFC Fight Night: Rodríguez vs. Stephens

Mexico City, Mexico Win

Jan Finney Decision (unanimous) Battlefield FC 2

Macau, SAR, China Win

Mariana Morais Decision (split) Future FC 5

São Paulo, Brazil Win

Nilde Trindade Decision (unanimous) Future FC 2

São Paulo, Brazil Win

Daiane Firmino Decision (split) SFT 6

São Paulo, Brazil Win

Núbia Santos do Nascimento Decision (unanimous) SFT 5

São Paulo, Brazil Loss

Suvi Salmimies Decision (split) Cage 37

Helsinki, Finland Win

Molly McCann Decision (unanimous) XFC International 12

São Paulo, Brazil Win

Juliana Leite Submission (rear-naked choke) Gold Fight 7

São Paulo, Brazil Loss

Silvana Gómez Juárez Decision (unanimous) XFC International 8

Campinas, Brazil Loss

Vanessa Guimarães Decision (split) XFC International 6

São Paulo, Brazil Win

Gloria Bravo Decision (unanimous) XFC International 3

São Paulo, Brazil Win

Suelen Pereira Submission (rear-naked choke) Circuito Talent de MMA 5

São Paulo, Brazil Loss

Juliana Werner Decision (unanimous) MMA Super Heroes 1

São Paulo, Brazil Loss

Camila Lima TKO (punches) CT Fight

São Paulo, Brazil Win

Natalie Santos Decision (unanimous) Fight Stars

São Paulo, Brazil