[1] He's the current Central American and Caribbean Games champion in Men's Singles and Mixed Doubles (with Paola Longoria, winning the titles in 2023.

[2] Portillo played for Mexico at the International Racquetball Federation (IRF) 2014 World Junior Championships in Cali, Colombia, where he Lost in semi-finals of Boys U14 to American Jordan Barth, 15–8, 10–15, 11–7.

[3] But he and Santiago Garcia won the Boys U14 Doubles title by defeating Costa Ricans Julian Hamburger and Andres Montero in the final, 15–12, 8–15, 11–5.

[13] Portillo won gold for Mexico in Men's Singles at the 2023 Central American and Caribbean Games, as he defeated countryman Rodrigo Montoya in the final, 11–7, 13–11, 15–13.

[15] Portillo and Paola Longoria won Mixed Doubles, as they came back from 2–1 down to defeat Edwin Galicia and Gabriela Martinez (Centro Caribe Sports), 11–6, 10–12, 7–11, 11–6, 11–6.

At the 2023 Pan American Games in Santiago, Chile, Portillo earned three bronze medals: in singles, mixed doubles and the men's team event.

[23] He and Andree Parrilla were silver medalists in Men's Doubles, as they defeated Americans Adam Manilla and Sebastian Fernandez, 11–4, 2–11, 11–7, 12–10, in the semi-finals, but lost Canadians Coby Iwaasa and Samuel Murray in the final, 11–5, 6–11, 11–8, 4–11, 11–6.