Rachael Ostovich has six losses against six opponents on her MMA record. For a list of Ostovich's best fights, refer to "Best fights of Rachael Ostovich".
On November 28, 2020 Rachael Ostovich faced off against Gina Mazany at age 29. She was coming in with a record of 4-6 (2), and Mazany was 32 years old and with a record of 6-4 (4). Ostovich lost the fight via 3rd-round KO.
On January 19, 2019 Rachael Ostovich faced off against Paige VanZant at age 27. She was coming in with a record of 4-5 (2), and VanZant was 24 years old and with a record of 7-4 (3). Ostovich lost the fight via 2nd-round submission.
On July 6, 2018 Rachael Ostovich faced off against Montana De La Rosa at age 27. She was coming in with a record of 4-4 (2), and De La Rosa was 23 years old and with a record of 8-4 (6). Ostovich lost the fight via 3rd-round submission.
On January 14, 2017 Rachael Ostovich faced off against Christine Ferea at age 25. She was coming in with a record of 3-3 (1), and Ferea was 34 years old and with a record of . Ostovich lost the fight via 3rd-round TKO.
On September 12, 2015 Rachael Ostovich faced off against Andrea Lee at age 24. She was coming in with a record of 2-2 (1), and Lee was 26 years old and with a record of 2-1 (1). Ostovich lost the fight via 3rd-round submission.
On January 25, 2014 Rachael Ostovich faced off against Jenny Liou Shriver at age 22. She was coming in with a record of 0-1 (0). Ostovich lost the fight via 2nd-round TKO.