World number one Martina Hingis is suing the manufacturer of her sports shoes for Stg£25million, claiming they have damaged her feet.
Hingis claims, in an action filed in Manhattan Supreme Court, that Sergio Tacchini shoes "caused her chronic injury" and forced her to withdraw from the Wimbledon doubles in June 1999.
The 20-year-old star signed a five year, Stg£3.5million-plus deal with the Italian company in 1996.
But the deal started to go sour in September 1998, when Hingis was competing in the US Open and "suffered debilitating injury to her feet," the action says.
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