But Berdych's fighting spirit saw him take the final two sets 6-4 6-4 to leave the teams tied at 1-1.

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It sets you back while you convalesce and get fighting-fit again.

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It sets back the willingness of our allies to work with us in fighting an enemy that operates in scores of countries.

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Meanwhile, Federer was also taken to three sets by Andy Murray's conqueror David Ferrer, before eventually fighting back to win 7-5 3-6 6-3.

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Many companies find themselves with a variety of platform-specific data sets that are difficult to bring together, leaving the analytics team fighting with the data instead of creating insights.

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And even when their man was two sets to one down, his fans expected Hewitt to bring out his trademark fighting qualities and, as he would have it, "guts it out".

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