Four - ball : The player with the lowest Playing Handicap to concede Handicap Strokes to the three other players based on 90 % of the difference between the Playing Handicaps .
The lowest Playing Handicap shall play from scratch .
Four - ball : The player with the lowest Playing Handicap , who shall play from scratch , to concede Handicap Strokes to the three other players based on 90 % of the difference between the Playing Handicaps .