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8.DCode of Ethics for Line Calling

When in doubt, the ball is in, and the doubt goes to the opponent. If you cannot promptly call a ball out, treat it as in.

Show me on the court

You 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.D in the official 2026 Rulebook ↗