Here is a list of De La Rosa's best fights. For a list of De La Rosa's losses, refer to "Montana De La Rosa Losses".
On June 5, 2021 Montana De La Rosa faced off against Ariane Lipski in a flyweight bout at age 26. She was coming in with a record of 12-6-1 (9). De La Rosa stopped Ariane Lipski via TKO.
On February 10, 2019 Montana De La Rosa faced off against Nadia Kassem in a flyweight bout at age 23. She was coming in with a record of 10-4 (8). De La Rosa stopped Nadia Kassem via submission.
On February 15, 2020 Montana De La Rosa faced off against Mara Romero Borella in a flyweight bout at age 25. She was coming in with a record of 11-5 (8), and Borella was 33 years old and with a record of 12-6 (7). De La Rosa won the fight via 3-round unanimous decision.
On June 8, 2024 Montana De La Rosa faced off against Andrea Lee in a flyweight bout at age 29. She was coming in with a record of 13-9-1 (9), and Lee was 35 years old and with a record of 13-9 (8). De La Rosa won the fight via 3-round split decision.
On July 6, 2018 Montana De La Rosa faced off against Rachael Ostovich in a flyweight bout at age 23. She was coming in with a record of 9-4 (7), and Ostovich was 27 years old and with a record of 4-3 (2). De La Rosa stopped Rachael Ostovich via submission.
On December 1, 2017 Montana De La Rosa faced off against Christina Marks in a flyweight bout at age 22. She was coming in with a record of 8-4 (6). De La Rosa stopped Christina Marks via submission.
