MONTREAL: Mercedes’ championship ‌leader Kimi Antonelli was fastest in sole practice for the Canadian Grand Prix sprint weekend on Friday as the team made a strong start with their first major upgrade package of the Formula One season.

The 19-year-old Italian, chasing a fourth win in a row, lapped the Circuit Gilles Villeneuve with a best time of one minute 13.402 seconds in bright sunshine and cool conditions.

Teammate George Russell, last year’s winner ‌in Montreal ‌and seeking to regain momentum after ‌Antonelli’s ⁠sizzling start to ⁠the season, was second fastest and 0.142 slower.

The Briton ended his session with a spin at Turn Two and glanced against the barrier, bringing out yellow flags.

Ferrari’s seven-times world champion Lewis Hamilton was third fastest, ahead of team mate Charles Leclerc, with Red Bull’s ⁠four-times champion Max Verstappen fifth.