Raoni Monteiro has tested positive for Performance Enhancing Drugs (PEDs).
The Brazilian surfer has been suspended for 20 months following a positive test for PEDs during the 2014 Billabong Pipe Masters.
Monteiro has been suspended from all World Surf League (WSL) events for violating the WSL's Anti-Doping Policy. Subsequent investigations by the WSL Discipline Director have received full cooperation from Raoni and his representatives.
"The investigation, inclusive of discussion with the athlete, determined that while the use of a Prohibited Substance was 'unintentional' and prescribed by a physician, Monteiro still violated the WSL Anti-Doping Policy," underlines the surfing organization.
Raoni Monteiro's suspension has been in effect since 12 December 2014 and will be in valid until 12 August 2016. He will be out for a total of one year and eight months.
"I made an honest mistake but there are rules to follow, and I broke them. I am looking forward to working hard with the time out of competition, getting back to my best and competing again next year," added Raoni Monteiro.