Abu Rmilah took part in the 2013 World Judo Championships in Rio de Janeiro, and then qualified for the 2015 edition in Astana. He entered the 2018 Asian Games in Indonesia, the 2019 Asia-Oceania Championships in Abu Dhabi, and the 2017 Grand Prix in Antalya. He was chosen to compete in the Judo at the 2020 Summer Olympics – Men's 81 kg in Tokyo.