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The app officials use. A fun and quick way to learn the sport’s rules. See you on the court!

i Know Tennis! is the fastest way to learn and understand the rules of tennis. This app is for new officials, experienced players wanting a refresher, beginning players, team captains, pros and coaches.

This app will entertain and educate through a series of quiz questions with a detailed answer.

i Know Tennis! walks you through on-court challenges, category by category. From Serving/Receiving to Calls to Faults/Lets, you will learn how officials would rule on each court challenge. The app includes a reference area for USTA Team Captains.

If you are a parent waiting for your child's game to begin, you can quickly run through a few questions, then close it down to watch your child’s game. Team captains, coaches and pros can select an area to review and study real life on-the-court situation in a comfortable and entertaining way. Your team may be headed for sectionals and you want a refresher on tennis rules before the event.

This is a great app to learn the USTA league rules and be more confident on the court.

What’s New

Version 5.1

App Developer update to Version 5.1

Ratings and Reviews

5.0 out of 5
1 Rating

1 Rating

tealsea18 ,

Fun AND practical

Leave the guesswork out of tennis situations and dilemmas! Cleverly designed and very easy to use. Includes link to USTA rulebook. Quiz style questions help the rules stay in your memory.

App Privacy

The developer, Barbara Wyatt, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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