Overview
- FIFA confirmed on June 27 that Brazilian referee Wilton Pereira Sampaio will lead Netherlands v Morocco on June 29 at Estadio Monterrey.
- Italian referee Maurizio Mariani was assigned to Brazil v Japan on June 29 at NRG Stadium in Houston with assistants Daniele Bindoni and Alberto Tegoni and Swiss VAR support already named.
- Sampaio will be assisted on the field by Bruno Pires and Bruno Boschilia with Chileans Cristian Garay and Jose Retamal listed as fourth official and reserve assistant respectively.
- Reports say Sampaio's June 29 appointment will be his third match of the 2026 tournament and that he has equaled Carlos Eugênio Simon as the Brazilian with the most men's World Cup matches.
- The Brazil v Japan winner advances to face the Norway v Ivory Coast victor and FIFA may still update VAR assignments and later referee selections as the knockout stage progresses.