Teams set for crucial 2023 tyre test as Pirelli introduces new compound

The session will also be the first proper test of a new hard compound that falls between the current C1 and C2.

All 10 teams are running two cars apiece, with one for race drivers, and one reserved for rookie drivers who have made fewer than two starts.

Only the 2023 tyres will be used, which means the youngsters – some of whom graduate to race seats themselves next season – will be expected to play an important role.

The teams took part in 2023 tyre testing in…