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SESK: Stuff Everyone Should Know · sesk.info/golf-provisional-ball-purpose

Why does a golfer play a provisional ball?

To save time when the first ball might be lost or out of bounds.

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  1. To practice a second swing for free
  2. To save time if the first ball might be lost ✔
  3. To replace a ball in a water hazard

Why: Rule 18.3a allows a provisional when the original might be lost outside a penalty area or out of bounds. It can save a return to the previous spot.

Huh, didn't know that: If the original ball might be lost only inside a penalty area, a provisional ball is not allowed.

The dad joke
Why did the golfer bring a spare ball? Just in case the first one wanted some alone time.
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References

Answer: To save time if the first ball might be lost. Rule 18.3a allows a provisional when the original might be lost outside a penalty area or out of bounds. It can save a return to the previous spot.

  1. The R&A: Rule 18, Provisional Ball www.randa.org/en/rog/the-rules-of-golf/rule-18
    If a ball might be lost outside a penalty area or might be out of bounds, to save time the player may play another ball provisionally
    Checked 2026-10-12.

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Test yourself in the game

Sports & FitnessYour provisional ball sits closer to the hole than where your first ball likely is. You hit it. What happens?Sports & FitnessBefore hitting a provisional ball, what must a golfer do?Sports & FitnessHow long may you search for a golf ball before it counts as lost?

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