Rubén Olivares has 13 losses against 12 opponents on his boxing record. For a list of Olivares's best fights, refer to "Best fights of Rubén Olivares".
On March 12, 1988 Rubén Olivares faced off against Ignacio Madrid at age 41. He was coming in with a record of 89-13-3 (79). Olivares lost the fight via 4th-round KO.
On November 24, 1981 Rubén Olivares faced off against Margarito Marquez at age 34. He was coming in with a record of 89-12-2 (79). Olivares lost the fight via 10-round split decision.
On August 24, 1980 Rubén Olivares faced off against Rafael Gandarilla at age 33. He was coming in with a record of 89-11-2 (79). Olivares lost the fight via 9th-round TKO.
On July 21, 1979 Rubén Olivares fought Eusebio Pedroza in a featherweight world-title fight for Pedroza's WBA title. Olivares was 32 years old and with a record of 87-10-2 (77), and Pedroza was 23 years old and with a record of 22-3 (15). Olivares lost the fight via 12th-round TKO.
On August 20, 1977 Rubén Olivares faced off against Bobby Chacon at age 30. He was coming in with a record of 82-9-1 (73), and Chacon was 25 years old and with a record of 36-3 (33). Olivares lost the fight via 10-round unanimous decision.
On November 19, 1976 Rubén Olivares faced off against Jose Cervantes at age 29. He was coming in with a record of 82-8-1 (73). Olivares lost the fight via 6th-round KO.
On December 4, 1975 Rubén Olivares faced off against Danny Lopez at age 28. He was coming in with a record of 80-7-1 (72), and Lopez was 23 years old and with a record of 8-3 (7). Olivares lost the fight via 7th-round KO.
On September 20, 1975 Rubén Olivares met David Kotey in a featherweight (WBC) world-title defense fight. Olivares was 28 years old and with a record of 80-6-1 (72). Olivares lost the fight via 15-round split decision and lost the title.
On November 23, 1974 Rubén Olivares met Alexis Arguello in a featherweight (WBA) world-title defense fight. Olivares was 27 years old and with a record of 78-5-1 (70), and Arguello was 22 years old and with a record of 35-4 (29). Olivares lost the fight via 13th-round KO and lost the title.
On September 15, 1973 Rubén Olivares faced off against Art Hafey at age 26. He was coming in with a record of 72-4-1 (66). Olivares lost the fight via 5th-round TKO.
On November 14, 1972 Rubén Olivares faced off against Rafael Herrera at age 25. He was coming in with a record of 70-3-1 (64). Olivares lost the fight via 10-round majority decision.
On March 19, 1972 Rubén Olivares met Rafael Herrera in a bantamweight (WBA, WBC, The Ring) world-title defense fight. Olivares was 25 years old and with a record of 69-2-1 (64). Olivares lost the fight via 8th-round KO and lost the titles.
On October 16, 1970 Rubén Olivares met Chucho Castillo in a bantamweight (WBA, WBC, The Ring) world-title defense fight. Olivares was 23 years old and with a record of 61-1-1 (57). Olivares lost the fight via 14th-round TKO and lost the titles.
