Tennis scores and scorescards are not only used for the calculation of the winners and losers of matches, but also for determining the winners of all of the tournaments held in the world.

If you are in doubt whether your tennis scorecard is accurate, try our quiz.

This quiz will ask you questions about tennis scores.

If your tennis scores are correct, you can add it to your bucket list.

If they are wrong, you need to check your tennis rating.

The scoresheet that you see below is from a tournament in the French city of Lyon.

It is the scorecard that the official scorecard company uses.

In the middle of the table are the two numbers: the average and the average difference.

The average is the number of points scored by the player in each game.

The difference is the difference between the scores of the two players.

The highest average and lowest average are listed.

Here is a look at the scoresheet: