Career
Rachman got his nickname "The Rock Breaker" after defeating Philippines" IBF high-rated Ernesto "Hard Rock" Rubillar, in Jakarta, Indonesia, March 2003. On July 7, 2007, Rachman lost his title to Filipino boxer Florante Condes. Condes knocked Rachman down twice in the third and 10th rounds during the 12-round title fight held in the studio of the private RCTI television station in Jakarta.
Rachman dominated fight in rounds four, six, seven, eight and nine.
Whereas Condes dominated fight in round one, two, three, five and ten. Salven Lagumbay of the Philippines and Montol Suriyachand of Thailand, scored it 114-112 for Condes, while home judge Muhammad Rois gave it 117-113 for Rachman.
On 19 April 2011 Rachman knocked out Thai boxer Kwanthai Sithmorseng in the 9th round at Thailand to claim the WBA World Minimumweight title. Rachman was knocked down in the second round but stunned Sithmorseng in the 9th round when he knocked down him with a huge body blow.
On July 30, 2011, Rachman lost the WBA World Minimumweight title to Pornsawan Porpramook in a controversial majority decision, 114-114, 113-115, 114-115.
In 2006, Rachman became a law student at Putra Bangsa University, Indonesia.