Listen to this article Following Russia’s invasion of Ukraine in February, F1 announced the cancellation of the race in Sochi scheduled for 25 September, as well as terminating the grand prix’s contract. It has left a gap on the initial 23-race calendar that F1 was looking to fill with a return to Qatar, which hosted its first grand prix last year at the Losail International Circuit. Qatar signed a 10-year deal to host a grand prix starting from 2023, taking this year off due to the FIFA World Cup. But it emerged as the strong favourite to replace the cancelled Russia race, kicking off the triple-header going that will take F1 onto Singapore and Japan. But Motorsport.com has now learned that some uncertainty from the event organisers in Qatar has led to alternative options being explored, including running two races in Singapore. L …