Mercedes is wary of another drop in form at this weekend's Russian Grand Prix if it fails to get the super-soft and soft tyres working at the Sochi Autodrom.
Pirelli is hoping to inject some excitement into this weekend's Russian Grand Prix by bringing the two softest compounds in its tyre range to Sochi.
Kate Walker looks at how the Sochi Autodrom is working to ensure it is more than just an F1 circuit.
Full results and timings from all sessions of the 2014 Russian Grand Prix.
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The latest betting tips from the ESPN team, in association with bet365
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