Tennis Coin Toss

How the toss works in tennis

Before a match, players or umpires decide a few starting choices with a toss. Traditionally the toss is done by spinning a racquet, with one player calling "rough or smooth" or "up or down". A coin does the same job. The winner of the toss usually has three options:

Serve or receive first.
Choose an end of the court to start on.
Ask their opponent to choose first.

The other player then picks from whatever is left. For formal competitions, the tournament's own rules decide the details.

How to use this tennis coin toss

One player picks heads or tails.
Press Toss the coin or tap the coin.
If the call is correct, that player chooses first. If not, the other player does.

Serve, receive or end? A few things to think about

Serving first gives you the first service game, which many players like because it sets the rhythm.
Choosing the end matters outdoors when the sun or wind is strong. Starting with the wind or sun behind you can be an advantage.
Receiving first can suit players who start slowly and like to see the opponent's serve first.

Fair and instant

This coin uses your browser's cryptographic random number generator, so neither player has an edge. If you play several sets, you may want to use a best of 3 coin flip for a bigger decision, such as who picks the court.

Doubles

For doubles, decide teams first with the random team generator, then toss as usual for serve and ends.

More free tools

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Frequently asked questions

What does the winner of the toss choose in tennis?

Usually to serve or receive first, to choose an end of the court, or to ask the opponent to choose first. The other player then picks from what remains.

Why do tennis players spin a racquet?

It is a traditional alternative to a coin. One player calls how the racquet will land, for example rough or smooth.

Is this tennis coin toss fair?

Yes. It uses your browser's secure random number generator, so heads and tails are equally likely.

Does it work for doubles?

Yes. Decide the teams first, then toss once for the starting choices.