Russian tennis pro Anna Kournikova is suing Penthouse. A 10-page spread in the skin mag's June issue boasts busty topless photos of her — but she says they're merely doctored fakes, which Penthouse denies. "The photographs are so dissimilar to Miss Kournikova," her agent David Schwab tells Reuters, "that anyone who knows her... will immediately know that the magazine did it on purpose to exploit her."