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• Haas "was not poisoned"

The ITF started an investigation after Alexander Waske, a doubles player on the German team, said he had been told by an unnamed figure in Moscow that Haas had been poisoned during Russia's 3-2 win.

"Following enquiries, the ITF has concluded that there is no medical information or other evidence whatsoever to support recent speculation concerning the medical condition of Tommy Haas during Germany's Davis Cup semi-final tie against Russia," the ITF said in a statement.

"There will be no further comment on this subject."

Haas said himself this month that blood tests had revealed no evidence of poisoning.

Haas was beaten in straight sets by Igor Andreev on the opening day of the semi-final and was unable to play in the reverse singles because of gastro-enteritis.