Read this tip to make your life smarter, better, faster and wiser. LifeTips is the place to go when you need to know about Tennis Balls and other Tennis topics.
You should use a Regular Duty tennis ball on clay or indoor courts. Extra Duty balls last longer on rough, hard asphalt and cement courts. Or, you can mix things up. If you like a fast game, try using a Regular Duty tennis ball on a hard court. To practice your form and positioning, slow down with an Extra Duty ball on a clay court.