Richie Stanaway of Status Grand Prix has ended fastest both on Wednesday and overall for the three-day GP2 Series test in Abu Dhabi.
Stanaway, who has alternated between open-wheel and sporadic sports car starts, is testing for the Mark Gallagher-led squad this week. He set a 1:48.441 in the morning session to lead the timesheets.
The majority of the field set their fastest times in the morning session.
The series will test April 1-3 in Bahrain before opening their season there two weeks later, April 17-19.