Zak O’Sullivan

Kicking off our 10th annual countdown of the junior single-seater drivers whose performances have impressed our writers the most over the year

Carlin’s Zak O’Sullivan says he will approach his move up to BRDC British F3 in 2021 similarly to his maiden single-seater campaign in F4

British Formula 4 title runner-up Zak O’Sullivan will stick with Carlin as he makes the step up to BRDC British Formula 3 next year

In the days before the British F4 Media Day, Luke Browning was not expecting to be racing. But a late deal with Forec put him on the grid, and he won the title

The British F4 title decider could have run “a few laps” longer before being red flagged according to Zak O’Sullivan, who lost the title to the race’s stoppage

Luke Browning took the 2020 British Formula 4 title even as championship rival Zak O’Sullivan won a dramatic, shortened final race of the year

Zak O’Sullivan has been penalised for overtaking under yellow flags in race two of the British F4 finale, denting his chances of beating Luke Browning to the championship

Zak O’Sullivan will take the British Formula 4 championship lead on countback into the deciding round after taking his eighth win of the season at Snetterton

Zak O’Sullivan has had his Snetterton British Formula 4 race one win taken away and handed to rival Luke Browning, but responded with victory in race two

Zak O’Sullivan cut Luke Browning’s British Formula 4 lead to three points with victory in race one at Snetterton ahead of a charging James Hedley

British Formula 4 title rivals Luke Browning and Zak O’Sullivan split the pole positions in qualifying for the penultimate round at Snetterton

Carlin’s Zak O’Sullivan triumphed in the first British Formula 4 race of the weekend at Croft, holding off poleman Casper Stevenson

Zak O’Sullivan denied Luke Browning a fifth straight British Formula 4 victory as he won the reverse grid race at Knockhill

Zak O’Sullivan completed a Carlin clean sweep at Brands Hatch with a lights to flag victory in the final British Formula 4 race of the weekend

Zak O’Sullivan held off a race-long challenge from Luke Browning to win the first British Formula 4 race of the weekend on Brands Hatch’s Indy layout

Carlin’s Zak O’Sullivan claimed both poles for the second British Formula 4 round, running on Brands Hatch’s Indy layout

With F1 and its supports providing excitement at Silverstone over the weekend, it was easy to miss the action in Formula 4, and the drivers who stood out

Zak O’Sullivan took Carlin’s first British Formula 4 win of the season in dominant fashion in race two at Donington Park

Even before the coronavirus delay, the start of the British F4 season was highly anticipated due to a grid bound to make for a tight title battle

Christopher Lulham and Zak O’Sullivan won the two British F4 iRacing Trophy Esports races on Silverstone’s National layout