Photo: Joe Portlock / FIA F2 Championship
Nyck de Vries topped both the morning and afternoon running as Formula 2 pre-season testing got underway at Jerez on Tuesday.
De Vries, who has joined ART Grand Prix for 2019, topped the morning session with a time of 1m25.819s, 0.055s ahead of DAMS driver Sergio Sette Camara.
First place changed hands a number of times during the afternoon, but de Vries made it his with a 1m25.358s in the final 15 minutes.
The other DAMS driver Nicholas Latifi was second fastest, 0.369s away, while Mick Schumacher was the top rookie for Prema in third, only 0.056s further back.
Luca Ghiotto was fourth fastest in both sessions for Virtuosi, and fifth overall behind Sette Camara.
Louis Deletraz was fifth in the morning for Carlin ahead of Schumacher, Guanyu Zhou (Virtuosi) and Dorian Boccolacci, who is testing for Campos.?Callum Ilott came ninth for the Charouz-run Sauber Junior Team with Sean Gelael 10th for Prema.
Nikita Mazepin, de Vries’ rookie team-mate at ART, placed fifth in the afternoon – good enough to put him seventh overall behind Deletraz.
Combined day one times
| Pos | Driver | Team | Morning | Afternoon |
| 1 | Nyck de Vries | ART Grand Prix | 1:25.819 | 1:25.358 |
| 2 | Nicholas Latifi | DAMS | 1:25.964 | 1:25.727 |
| 3 | Mick Schumacher | Prema | 1:26.326 | 1:25.783 |
| 4 | Sergio Sette Cam?ra | DAMS | 1:25.874 | 1:26.579 |
| 5 | Luca Ghiotto | Virtuosi | 1:26.082 | 1:25.887 |
| 6 | Louis Del?traz | Carlin | 1:26.217 | 1:26.512 |
| 7 | Nikita Mazepin | ART Grand Prix | 1:26.910 | 1:26.230 |
| 8 | Guanyu Zhou | Virtuosi | 1:26.349 | 1:26.593 |
| 9 | Dorian Boccolacci | Campos Racing | 1:26.430 | 1:28.903 |
| 10 | Callum Ilott | Sauber Junior Team by Charouz | 1:26.508 | 1:26.573 |
| 11 | Giuliano Alesi | Trident | 1:26.744 | 1:26.577 |
| 12 | Sean Gelael | Prema | 1:26.614 | 1:26.733 |
| 13 | Nobuharu Matsushita | Carlin | 1:27.167 | 1:26.625 |
| 14 | Richard Verschoor | MP Motorsport | 1:26.657 | 1:27.102 |
| 15 | Juan Manuel Correa | Sauber Junior Team by Charouz | 1:26.742 | 1:26.882 |
| 16 | Jordan King | MP Motorsport | 1:26.869 | 1:27.317 |
| 17 | Anthoine Hubert | Arden | 1:26.908 | 1:27.551 |
| 18 | Jack Aitken | Campos Racing | 1:27.027 | 1:27.227 |
| 19 | Ralph Boschung | Trident | 1:27.244 | 1:27.076 |
| 20 | Tatiana Calderon | Arden | No time | 1:28.515 |