Gustavo Lemos has two losses against two opponents on his boxing record. For a list of Lemos's best fights, refer to "Best fights of Gustavo Lemos".
On November 8, 2024 Gustavo Lemos faced off against Keyshawn Davis in a lightweight bout at age 28. He was coming in with a record of 29-2 (19), and Davis was 25 years old and with a record of 11-0 (7). Lemos lost the fight via 2nd-round TKO.
On April 6, 2024 Gustavo Lemos faced off against Richardson Hitchins in a super-lightweight bout at age 28. He was coming in with a record of 29-1 (19). Lemos lost the fight via 12-round unanimous decision.