Eugenie Bouchard has filed a lawsuit against the United States Tennis Association claiming she slipped and fell in a locker room flor which had been coated with a “slippery, foreign and dangerous substance” about which she should have been warned. The liquid has been further described as a cleaner intended to be left on the floor overnight. Bouchard says she suffered a severe head injury, which caused her to withdraw from the tournament. She also dropped out of a tournament in China. Her suit claims the USTA, tennis’ national governing body, was negligent. It seeks unspecified damages. Bouchard says her world ranking has dropped 13 spots since the incident and she believes it is likely to continue to drop. USTA spokesman Chris Widmaier says the organization does not comment on on-going litigation.