Nicholas Latifi will join teammate Alex Albon in running Williams' update package at the French Grand Prix, it has been confirmed.
Williams rolled out the developments at the British Grand Prix, but only had one set available and gave the new parts to Albon – who is ahead in the standings.
Initial learnings were compromised by Albon retiring on the first lap at Silverstone, before the mixed-up Sprint event in Austria a week later.
But now both cars will have the latest developments available for this weekend's event at the Circuit Paul Ricard.
Latifi "super excited" as updates arrive on his car
With Albon finishing just outside the points in 12th at the Red Bull Ring, Latifi is keen to see how he fares with the car changes.
"I'm super excited to get to France because it's the first race where I'm going to have the upgrade package," said Latifi in Williams' preview of the French GP.
"We've seen some positive signs from it on Alex's car so far, so I'm looking forward to getting my first taste.
"Hopefully it can bring us that extra bit of relative pace that we've missed and put us more in the fight.
"I'm looking forward to continuing the development of the car and hopefully we can get some good data going forward."
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How Williams are approaching the French GP
Dave Robson, Head of Vehicle Performance at Williams, is hopeful that the hot temperatures forecast for the weekend will help the team maximise their findings with both cars.
"Having introduced some new parts to Alex's car over the last couple of races, we are now in a position where both cars can run with the upgrades," he said.
"Although the weather in Silverstone and the Sprint format in Austria were not ideal for testing, we have seen enough encouraging feedback to be confident that we have taken a step forward.
"With the weather likely to be warm, dry and stable this weekend, we'll look to use Friday's running to get Nicky up to speed with the new parts and also to continue to understand how best to exploit the performance of the new package."
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