One-Ball Rule
Why People Get This Wrong
People often assume that the One-Ball Rule only applies in stroke play, forgetting it's also enforced in match play, leading to arguments about whether a different brand could be used for fairness or practicality during a match. The confusion arises because this rule is not just about consistency but also about maintaining integrity and avoiding any perceived favoritism in competition settings.
Official Verdict
The KPMG Women's PGA enforces the One-Ball Rule during a stipulated round: the player must use a ball of the same brand and model. Breach is a stroke-play penalty of two strokes per hole at which the breach occurred, with a maximum penalty of four strokes per round.

