In June 2017, he and Alexandre Sattin became the first pair to represent Brazil in the World Cup of Darts in Frankfurt, Germany. They defeated Switzerland 5–4 in a last-leg decider, before losing to the host nation pair of Max Hopp and Martin Schindler, with Portela winning their only leg in the two matches. The following year, he and Bruno Rangel would represent Brazil in the 2018 PDC World Cup of Darts, and after breezing past Denmark in round 1, they would lose to the Scotland pairing of Peter Wright and Gary Anderson.