Charles Leclerc set the fastest tire test time in Abu Dhabi Formula 1 after the first day of official Ferrari run.
Leclerc replaced first-seeded Sebastian Vettel, first row on the first day, a week after departure to Yas Marina Circuit, before he eventually reduced to 1: 36,450.
The other new recruits are on the Red Bull Racing charts Pierre Gasly the second from circles almost 1.5s slower than Leclerc.
Lance Stroll trained all day for Force India and was third fastest, while Valtteri Bottas finished fourth.
The Mercedes driver was the only man who took two full days of testing and was 1.6s slower than on the opening day.
Carlos Sainz Jnr jumped 150 laps in McLaren when he was fifth in speed, ahead of the Renault Renault Artem Markelov's test.
Nico Hulkenberg drove for Renault the day before, and Daniel Ricciardo did not allow to reduce the circle for his new team, as he was still under contract with Red Bull Racing.
Daniil Kvyat returned to Scuderia Toro Rosso and finished with 155 laps on his way to the eight fastest.
All of the fastest circuits were set on 2018 hyperosft or equivalent in 2019 known as "Compound 5" for exercise.
Testing continues in the new year.
Results: Test tire: 2nd day, Yas Marina Circuit
|Pos||Driver||Auto||Fastest lap||Share||Compound||Total circuits|
|1||Charles Leclerc||Ferrari||1: 36.450||Compound 5||135|
|2||Pierre Gasly||red bull||1: 37.916||+1.466||Compound 5||129|
|3||Lance Stroll||Force India||1: 38.044||+1.594||Hypersoft||122|
|4||Valtteri Bottas||Mercedes||1: 38.448||+1.998||Compound 5||143|
|5||Carlos Sainz||McLaren||1: 38.547||+2.097||Compound 5||150|
|6||Artem Markelov||Renault||1: 38.590||+2.140||Hypersoft||129|
|7||George Russell||Williams||1: 38.802||+2.352||Hypersoft||38|
|8||Daniil Kvyat||Toro Rosso||1: 38.862||+2.412||Compound 5||155|
|9||Louis Deletraz||Haas||1: 39.069||+2.619||Compound 5||117|
|10||Robert Kubica||Williams||1: 40.265||+3.815||Hypersoft||56|
|11||Antonio Giovinazzi||Sauber||1: 40.435||+3.985||Compound 5||128|
Note: Hypersoft is the 2018 equivalent of Compound 5