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8. Line Calls

8.ELine Call Certainty

Call a ball out only if you clearly see daylight between the line and where the ball landed.

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Show me on the court

A ball on the baselineBall lands clearly longYou cannot tell if it touched

Myths about this

“If you are not sure whether a ball was out, you can call it out or just replay it.”
See Rule 8.E in the official 2026 Rulebook ↗