Here is a list of Viana's best fights. For a list of Viana's losses, refer to "Polyana Viana Losses".
On November 28, 2015 Polyana Viana fought Amanda Ribas in a strawweight title fight for the Jungle Fight Championship title. Viana was 23 years old and with a record of 7-1 (7), and Ribas was 22 years old and with a record of 5-0 (4). Viana stopped Amanda Ribas via 1st-round KO and is crowned the new strawweight world champion.
On November 5, 2022 Polyana Viana faced off against Jinh Yu Frey in a flyweight bout at age 30. She was coming in with a record of 13-5 (13). Viana stopped Jinh Yu Frey via KO.
On August 29, 2020 Polyana Viana faced off against Emily Whitmire in a flyweight bout at age 28. She was coming in with a record of 11-4 (11). Viana stopped Emily Whitmire via submission.
On February 3, 2018 Polyana Viana faced off against Maia Stevenson in a strawweight bout at age 25. She was coming in with a record of 10-1 (10). Viana stopped Maia Stevenson via submission.
On February 13, 2021 Polyana Viana faced off against Mallory Martin in a flyweight bout at age 28. She was coming in with a record of 12-4 (12). Viana stopped Mallory Martin via submission.
On September 12, 2015 Polyana Viana faced off against Karol Pereira Silva Cerqueira in a strawweight bout at age 23. She was coming in with a record of 6-1 (6). Viana stopped Karol Pereira Silva Cerqueira via submission.
