In 1997, CaseyMartin, a professional golfer with a circulatory disorder, sued under the American with Disabilities Act to be allowed to use a golf cart to play in the U.S. Open.
Another notable qualifier is CaseyMartin , who caused controversy in 1998 when he won the right to use a golf cart on the course due to a rare circulatory disorder in his right leg that restricts his ability to walk 18 holes.