Amanda Ribas has seven losses against seven opponents on her MMA record. For a list of Ribas's best fights, refer to "Best fights of Amanda Ribas".
On July 26, 2025 Amanda Ribas faced off against Tabatha Ricci in a strawweight bout at age 31. She was coming in with a record of 13-7 (8). Ribas lost the fight via 2nd-round TKO.
On January 11, 2025 Amanda Ribas faced off against Mackenzie Dern in a strawweight bout at age 31. She was coming in with a record of 13-6 (8), and Dern was 31 years old and with a record of 14-5 (7). Ribas lost the fight via 3rd-round submission.
On March 23, 2024 Amanda Ribas faced off against Rose Namajunas in a strawweight bout at age 30. She was coming in with a record of 13-5 (8), and Namajunas was 31 years old and with a record of 11-6 (7). Ribas lost the fight via 5-round unanimous decision.
On June 24, 2023 Amanda Ribas faced off against Maycee Barber in a flyweight bout at age 29. She was coming in with a record of 12-4 (7), and Barber was 25 years old and with a record of 12-2 (7). Ribas lost the fight via 2nd-round TKO.
On May 14, 2022 Amanda Ribas faced off against Katlyn Chookagian in a flyweight bout at age 28. She was coming in with a record of 11-3 (7). Ribas lost the fight via 3-round split decision.
On January 24, 2021 Amanda Ribas faced off against Marina Rodriguez in a strawweight bout at age 27. She was coming in with a record of 10-2 (7), and Rodriguez was 33 years old and with a record of 12-1-2 (6). Ribas lost the fight via 2nd-round TKO.
On November 28, 2015 Amanda Ribas met Polyana Viana in a strawweight (Jungle Fight Championship) title defense fight. Ribas was 22 years old and with a record of 5-1 (4), and Viana was 23 years old and with a record of 6-1 (6). Ribas lost the fight via 1st-round KO and lost the title.