30 and 40. If you're looking for a definitive answer on why tennis uses the scoring system it does, unfortunately, there's no clear origin of the tennis scoring system as we see it today.

The game of tennis traces its roots back to medieval France ... because games must be decided by at least two points. If the players both reach 40, the score is termed "deuce." The next point gives ...

But perhaps the most radical change she has proposed, is a change to tennis iconic 15-30-40 scoring system, which is markedly different to most other sports. 'I would like to see names and numbers ...

30 and 40. If you're looking for a definitive answer on why tennis uses the scoring system it does, unfortunately, there's no clear origin. However, there are a few different theories ...