Pablo Chacón has seven losses against six opponents on his boxing record. For a list of Chacón's best fights, refer to "Best fights of Pablo Chacón".
On December 18, 2004 Pablo Chacón faced off against János Nagy in a super-featherweight bout at age 29. He was coming in with a record of 51-7 (36). Chacón lost the fight via 12-round unanimous decision.
On July 15, 2004 Pablo Chacón fought Mike Anchondo in a super-featherweight world-title fight for the WBO title. Chacón was 29 years old and with a record of 50-6 (35). Chacón lost the fight via 12-round unanimous decision.
On February 14, 2004 Pablo Chacón faced off against Ricardo Silva at age 28. He was coming in with a record of 49-5 (34). Chacón lost the fight via 10-round split decision.
On October 25, 2003 Pablo Chacón faced off against János Nagy in a super-featherweight bout at age 28. He was coming in with a record of 48-4 (33). Chacón lost the fight via 10th-round TKO.
On October 19, 2002 Pablo Chacón met Scott Harrison in a featherweight (WBO) world-title defense fight. Chacón was 27 years old and with a record of 44-3 (31), and Harrison was 25 years old and with a record of 17-1-1 (9). Chacón lost the fight via 12-round unanimous decision and lost the title.
On September 8, 2000 Pablo Chacón faced off against Claudio Martinet at age 25. He was coming in with a record of 36-2 (26). Chacón lost the fight via 10-round split decision.
On May 25, 2000 Pablo Chacón fought Freddie Norwood in a featherweight world-title fight for Norwood's WBA title. Chacón was 25 years old and with a record of 36-1 (26), and Norwood was 30 years old and with a record of 37-0-1 (22). Chacón lost the fight via 12-round unanimous decision.