Hugo Ruiz has five losses against five opponents on his boxing record. For a list of Ruiz's best fights, refer to "Best fights of Hugo Ruiz".
On February 9, 2019 Hugo Ruiz faced off against Gervonta Davis in a super-featherweight bout at age 32. He was coming in with a record of 39-5 (33), and Davis was 24 years old and with a record of 20-0 (19). Ruiz lost the fight via 1st-round KO.
On September 16, 2016 Hugo Ruiz met Hozumi Hasegawa in a super-bantamweight (WBC) world-title defense fight. Ruiz was 29 years old and with a record of 36-4 (32), and Hasegawa was 35 years old and with a record of 35-5 (15). Ruiz lost the fight via 9th-round retirement and lost the title.
On August 29, 2015 Hugo Ruiz fought Julio Ceja in a super-bantamweight world-title fight for Ceja's WBC title. Ruiz was 28 years old and with a record of 35-3 (31), and Ceja was 22 years old and with a record of 29-1 (26). Ruiz lost the fight via 5th-round TKO.
On December 4, 2012 Hugo Ruiz faced off against Kōki Kameda in a bantamweight bout at age 26. He was coming in with a record of 31-2 (28), and Kameda was 26 years old and with a record of 28-1 (17). Ruiz lost the fight via 12-round split decision.
On October 27, 2007 Hugo Ruiz faced off against Enrique Quevedo at age 21. He was coming in with a record of 9-1 (9). Ruiz lost the fight via 4th-round TKO.