P1racenews AI automatic summary:
Williams and Alpine have become the latest teams to announce who will drive when in this week’s F1 test in Bahrain.
Carlos Sainz will have to wait for his first taste of Williams’ 2025 F1 machinery at the sole pre-season test in Bahrain this week as new team-mate Alex Albon takes the first run on Wednesday. Sainz recently joined Williams after departing Ferrari following Lewis Hamilton’s signing. Sainz, now a director of the GPDA, has been integrating into his new team in preparation for his session on Thursday. Rookie Jack Doohan will be the first to hit the track for Alpine’s A525-05, while speculation swirls about his potential replacement by Franco Colapinto. Doohan and teammate Gasly will share driving duties with Doohan on Thursday afternoon and Friday morning. Gasly will take over on Friday afternoon, cementing their split-shift arrangement for the test days.
