An ex-Formula 1 star his hit out at Max Verstappen’s decision to participate in a test with a Ferrari earlier this month.

The four-time world champion was spotted racking up the laps behind the wheel of a Ferrari 296 GT at the iconic Nurburgring Nordschleife just days after finishing fourth at the Miami Grand Prix.

Verstappen initially went to some lengths to cover up his identity, driving under the pseudonym of Franz Hermann, but later confirmed his appearance at the circuit.

Schumacher questions Verstappen decision

He heads into this weekend’s Emilia-Romagna GP third in the drivers’ standings behind the McLaren duo of Oscar Piastri and last year’s runner-up, Lando Norris.