Miel Fajardo made his professional debut on November 5, 2016, earning a draw against fellow debutant Gringo Navarro.
On August 26, 2018, Miel Fajardo fought ArAr Andales after winning against Joel Ramos via TKO, whereas Andales won controversially. Fajardo won his next bout against Rico Saonoy via TKO in the 3rd Round.
Flyweight
Miel Fajardo moved up to flyweight after beating out Saonoy, and made his flyweight debut against undefeated Chinese, Xiang Li at Qingdao, China, whereas Xiang Li lost via Majority decision.
After beating Xiang Li, Fajardo fought Filipino Martin Cordova where he won and won against 2 more Chinese at China.
Fajardo vs. Gauto
After beating Fernan Agencia and tying with Bienvenido Ligas, Fajardo sets his eyes on undefeated Argentinian boxer Agustin Mauro Gauto.[1][2] In the last 10 seconds of the 1st Round, Gauto went down via left hand, In the 2nd Round Gauto went down 2 times and manages to stand up again until the referee decides to step in and called stop the bout.[3]
Fajardo vs. Jiamthong
On December 28, 2022, Miel Fajardo fought Thai boxer Sarawut Jiamthong for the Asian Boxing Federation flyweight title.[4] Fajardo earned a 10-seconds KO win and some even said 7-seconds win.[5] Many considered this Match as the Fastest Knockout in Professional boxing.[6]
Return to light flyweight
Cancelled bout against Nhlanhla Tyirha
On May 29, 2023, it was reported that Miel Fajardo would fight South African prospect Nhlanhla Tyirha casting as the Co-main event of the Sivenathi Nontshinga vs Regie Suganob bout.[7] Suddenly on June 28, 2023, Miel Fajardo pulled out as Weekend tournament looms.[8] Whereas Fajardo was replaced by George Kandulo, a Malawian boxer.
Fajardo vs. Gabunilas
On July 15, 2023, it was reported that Miel Fajardo would face fellow Filipino prospect, "Angas ng Cebu" ("Arrogant of Cebu") John Paul Gabunilas on August 15, 2023, at Hoops Dome for the vacant OPBF light flyweight title.[9] The match began, and within just a few seconds, Gabunilas was already downed, after that, Gabunilas stood up but was wobbly, not long after, Gabunilas got knocked down again, Once again, Gabunilas stood up, but he was dropped for the third time, this time, the Referee stopped the bour, making Fajardo win the vacant OPBF light flyweight title, this also serves him, his 3rd KO/TKO win within the First Round in a row.[10]
Fajardo vs. Simsri
On January 2, 2024, Fajardo hinted a picture of a Thai boxer's record on BoxRec, showing an intimidating 32–1 record and rated best active Thai light flyweight boxer by BoxRec prior to the time, on his Facebook "Story",[citation needed] by depending on the hinted stats, Thanongsak Simsri completes all the requirements. On the next day, the bout has been confirmed by News article writer Carlos Costa, the article also states that Fajardo will be defending his OPBF light flyweight title and the event will be held at the Land of the Rising Star, Japan (at Osaka) on April 13, 2024,[11] and in February 3, 2024, a news article featuring the bout from The Ring is released.[12] Miel Fajardo was undoubtedly outclassed by the more experienced and technical Simsri, although Fajardo knocked Simsri down in the tenth round, it was not enough, Simsri survived the challenge en route to Simsri becoming the new OPBF light flyweight champion via unanimous decision.[13][14]