Has Zak O'Sullivan won an F1 championship?
Zak O'Sullivan has not won a Formula 1 World Drivers' Championship as of 2026.
No full-season championship classification is on record for Zak O'Sullivan.
Frequently asked
Has Zak O'Sullivan won a Formula 1 championship?
Zak O'Sullivan has not won a Formula 1 World Drivers' Championship as of 2026.