Amateur Four-Ball is an amateur golf tournament conducted by the United States Golf Association (USGA).
Amateur Public Links, an individual tournament that was played from 1922 to 2014.
Amateur Four-Ball is played by "sides" of two golfers, each with handicap indexes of 5.4 or less.
128 sides compete in a 36-hole stroke play qualifier that determines the field of 32 sides for match play.
Play is conducted using a four-ball format, where the lowest score by either player on each hole is the score for the side.