Formula One faces the prospect of a worsening financial crisis after accepting that grands prix in Azerbaijan, Singapore and Japan can no longer go ahead in 2020, while its three races in the Americas are also in serious doubt.
Although the sport remains confident of reaching its minimum target of a 15-race world championship, with eight summer events in Europe already confirmed, the choice of autumn cancellations is proving a painful one.
The street race in Baku, a fixture on the roster since 2016, is normally F1's highest payer, agreeing to an annual hosting fee in excess of £40 million (NZ$78m).
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Similarly, Singapore, with its glittering night-time spectacle at Marina Bay, generates vast commercial revenue.