Anthoine Hubert headed an ART Grand Prix 1-2-3 as GP3 pre-season testing concluded at the Circuit de Barcelona-Catalunya on Wednesday.
Hubert, heading into his second campaign in the series, clocked a time of 1:31.754 to finish 0.029s in front of Ferrari-backed team-mate Callum Ilott.
Jake Hughes completed the top three for the French operation as the quickest times all came during the morning session, with long runs on the agenda thereafter.
MP Motorsport’s Dorian Boccolacci placed fourth, in front of Tuesday pacesetter Leonardo Pulcini (Campos) and Force India development driver Nikita Mazepin (ART GP).
Sauber Formula 1 tester Tatiana Calderon finished seventh overall, as Ferrari protégé and three-time 2017 winner Giuliano Alesi (Trident), Julien Falchero (Arden) and Niko Kari (MP Motorsport) completed the top 10.
The opening round of the season will take place alongside the Spanish Grand Prix next month.
