[2] Whilst in Division 1, Ratchaburi made it to the 2012 Thai League Cup final where they lost 4–1 to Buriram United.

The final was most remembered for the farcical circumstances that Ratchaburi faced as they didn't have any substitutes on the bench due to having several ineligible loanees from opponents Buriram United.

[5] After participating in the top league for 3 years, Ratchaburi Mitr Phol has a project to build its own football stadium.

Ratchaburi then was announced as the 2016 Thai FA Cup champions where the title was shared among Chainat Hornbill, Chonburi and Sukhothai who was then in the semi-finals.

In the 2017 season, Ratchaburi continued to progress under Pacheta's stewardship, and with a team containing half blood players Philip Roller and Kevin Deeromram reached league finish as 6th place as well as reaching the semi-final of the League Cup losing 0–1 to Chiangrai United at Supachalasai Stadium.

In 2019, after beating Buriram United in the semi-final, Ratchaburi reached the 2019 Thai FA Cup Final for the first time in their history.

In the final, played at Leo Stadium, Ratchaburi lost to Port 1–0, with a goal by Sergio Suárez scored in second half.

[8][9] In 2021, Ratchaburi qualified to 2021 AFC Champions League for the first time in club history after finishing the position in top four in the 2020–21 season.