Russian Formula Two driver Nikita Mazepin set the fastest lap for Mercedes on his official test debut with the Formula One world champions at Barcelona's Circuit de Catalunya on Wednesday.

FILE PHOTO: F1 Formula One - Formula One Test Session - Circuit de Catalunya, Montmelo, Spain - February 26, 2018 Nikita Mazepin, Esteban Ocon and Sergio Perez of Force India during their presentation REUTERS/Albert Gea/File Photo