Here is a list of Viana's best fights. For a list of Viana's losses, refer to "Guilherme Viana Losses".
On November 20, 2015 Guilherme Viana faced off against Houston Alexander in a light-heavyweight bout at age 29. He was coming in with a record of 7-2 (7), and Alexander was 43 years old and with a record of 16-12-1 (14). Viana stopped Houston Alexander via TKO.
On April 4, 2014 Guilherme Viana faced off against Cristiano Monteiro in a light-heavyweight bout at age 27. He was coming in with a record of 5-1 (5). Viana stopped Cristiano Monteiro via submission.
