What happened: Visa Cash App RB assigned Tsolov to drive in the first free practice session at the Mexico Grand Prix. The outing marks his first official appearance in a Formula 1 race weekend session.

Why it matters: Formula 1 regulations require teams to field young drivers in mandatory opening practice sessions during the 2026 campaign. The outing gives the Red Bull junior program live track evaluation of its development talent in the VCARB 03 chassis.

What to watch: Tsolov will take the wheel for Friday's opening practice session in Mexico City before regular race duties resume for the remainder of the weekend.