# Law 9: Choice of Ends and Service (ITF Rules of Tennis)

Tennis · Law 9: Choice of Ends and Service · Insporta Book (https://book.insporta.app/tennis/laws/law-9-choice-of-ends-and-service/)

How the first server and the starting ends are decided: the toss before the warm-up, the three choices the winner has, and what happens if the warm-up is stopped.

## 9.91 Choice of Ends and Service

The toss, the winner's three choices and new choices after an interrupted warm-up.

### Test 1: The toss and the choices

- The toss comes first, then the warm-up. (Source: ITF Rules of Tennis 2026, Rule 9)
- A toss decides who chooses. (Source: ITF Rules of Tennis 2026, Rule 9)
- When the winner takes the serve choice, the end is left to the opponent. (Source: ITF Rules of Tennis 2026, Rule 9)
- Choosing an end hands the serve-or-receive choice to the opponent. (Source: ITF Rules of Tennis 2026, Rule 9)
- The winner may require the opponent to make one of the two choices. (Source: ITF Rules of Tennis 2026, Rule 9)
- The toss is not repeated, but the choices can be made again. (Source: ITF Rules of Tennis 2026, Rule 9, Case 1)
- New choices are open to both sides. (Source: ITF Rules of Tennis 2026, Rule 9, Case 1)
- The opponent takes the end choice, then the warm-up begins. (Source: ITF Rules of Tennis 2026, Rule 9)
- Deferring hands the first choice to the opponent; the winner takes the other. (Source: ITF Rules of Tennis 2026, Rule 9)
- When the winner chooses to serve, the opponent chooses the end. (Source: ITF Rules of Tennis 2026, Rule 9)

Sources: ITF Rules of Tennis 2026, Rule 9 (paraphrased in original wording; original questions authored from the Rules, not reproduced)

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