Oscar Piastri, Franco Colapinto and Oliver Bearman will sit out Free Practice 1 at the Hungarian Grand Prix. Teams are using the sessions to meet rookie requirements.
McLaren junior Leonardo Fornaroli will drive Oscar Piastri's car in FP1 at the Hungaroring. The reigning F2 champion previously took part in a session for Lando Norris in Barcelona last month.
Haas will field Toyota protege Ryo Hirakawa in place of Oliver Bearman. Alpine reserve Paul Aron will replace Franco Colapinto for his third FP1 outing of the year.
McLaren is bringing a significant batch of upgrades to the event. F1 teams must run rookies in four FP1 sessions across the season.