Guides

Tennis scoring, answered.

Everything players ask us — what deuce actually means, how tennis scoring works end to end, and how to pick an Apple Watch app to track your matches.

Basics

What does "deuce" mean in tennis?

The 40-40 rule, win-by-2, and why the app is named after it.

How do you keep score in tennis?

Love, 15, 30, 40, games, sets, and match — the full ladder.

Product & how-to

Does a tennis scoring app need my iPhone?

Standalone Apple Watch apps vs. ones that need a phone nearby.

Buyer's guide

Best Apple Watch apps for tennis players

An honest look at the standalone-watch options and what each is best at.

One tap. That's the score.

Deuce runs standalone on your Apple Watch — no iPhone required on court.

Download on theApp Store