Expect Mercedes to be the team to beat in qualifying but Friday running showed Ferrari should be able to challenge them in the race.
Here's what Lance Stroll and Carlos Sainz Jnr had to say about their escapades and more messages from the drivers during Friday's practice sessions.
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Daniel Ricciardo says drivers are lobbying to be given an extra set of full wet weather tyres they can use on Fridays in the event of wet conditions.
Sebastian Vettel continues to hold Lance Stroll responsible for their collision in Malaysia, claiming his rival changed direction without looking in his mirrors.
Lewis Hamilton says Mercedes are in good shape at Suzuka having been off the pace in the previous two rounds.
Carlos Sainz Jnr admitted his crash during first practice at Suzuka was due to his own mistake. He has also received a grid penalty for a power unit change.
Ferrari has confirmed Sebastian Vettel and Kimi Raikkonen suffered identical failures on their power units during the Malaysian Grand prix weekend.
Ferrari has confirmed Sebastian Vettel and Kimi Raikkonen suffered identical failures on their power units during the Malaysian Grand prix weekend.
Lewis Hamilton was fastest in the second practice session at Suzuka but he was one of only five drivers to set times during a very wet session.
Follow the 2017 Japanese Grand Prix second practice session on F1 Fanatic Live.
Renault has announced former FIA technical chief Marcin Budkowski will join its team as an executive director.
Pictures from the first day of practice for the 2017 Japanese Grand Prix.
Sebastian Vettel and Lewis Hamilton headed the times in the first practice session, which was held up by a heavy crash for Carlos Sainz Jnr.
Follow the 2017 Japanese Grand Prix first practice session on F1 Fanatic Live.
In the round-up: McLaren must match Red Bull in 2018 - Alonso • Hamilton wary of Ferrari upgrade • Vettel: No panic at Ferrari