World title person Kimi Antonelli was sixth fastest for Mercedes, 1 spot down McLaren's Oscar Piastri.
The Italian's rubric rival and team-mate George Russell was eighth quickest, 0.356secs down Antonelli.
Antonelli leads the title by 25 points arsenic the play heads into what could beryllium its halfway point, depending connected whether the 2 Middle Eastern races owed to decorativeness the play tin instrumentality spot successful the discourse of the warfare betwixt the US/Israel and Iran.
Verstappen's gait came contempt Red Bull reverting to a modular rear helping portion they refine the the 'flip-flop' oregon 'somersault' plan that caused high-speed crashes for the Dutchman successful the past 2 races.
The helping is the 1 with which Red Bull started the season, connected which the flap opens for straight-line mode successful the benignant of past year's DRS overtaking aid, alternatively than rotating connected its axis by much than 180 degrees.
The aged helping is said to outgo astir 0.2secs of thigh clip astir Spa-Francorchamps compared to the newer design, which whitethorn instrumentality for the adjacent contention successful Hungary adjacent weekend.
The league was comparatively incident-free. The closest to an incidental was Liam Lawson moving a small wide aft a large oversteer infinitesimal astatine Stavelot aboriginal successful the session.
Piastri suffered a hydraulic unit contented precocious successful the session, forcing him to limp astir the way with a infinitesimal remaining successful the session.
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