Luan Chagas has three losses against three opponents on his MMA record. For a list of Chagas's best fights, refer to "Best fights of Luan Chagas".
On April 21, 2018 Luan Chagas faced off against Siyar Bahadurzada in a welterweight bout at age 24. He was coming in with a record of 15-3-1 (15), and Bahadurzada was 34 years old and with a record of 23-6-1 (19). Chagas lost the fight via 2nd-round KO.
On September 24, 2016 Luan Chagas faced off against Erick Silva in a welterweight bout at age 23. He was coming in with a record of 14-2-1 (14), and Silva was 32 years old and with a record of 18-7 (14). Chagas lost the fight via 3rd-round submission.
On April 6, 2013 Luan Chagas faced off against Lorival Lourenco Jr. at age 19. He was coming in with a record of 5-1 (5). Chagas lost the fight via 2nd-round submission.