Bookmaker William Hill said betting patterns indicated punters were convinced Marsh would be first out with the result "all over bar the counting".

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World number four Nikolay Davydenko continues to be investigated following the discovery of unusual betting patterns on his match against Argentine Martin Vassallo Arguello in Poland in August.

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The ATP is currently investigating a match in Poland in which online gambling site Betfair voided bets on a match involving the Russian because of irregular betting patterns.

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