What score is known as deuce in tennis?

Tennis is a very popular sport of course, but to the uninitiated its scoring system can see confusing and arcane. This is especially true of terms such as deuce, love and advantage. So what score is known as deuce?

What score is known as deuce in tennis?

A player wins a game of tennis when they win four points. The points system goes: love (zero), 15, 30, 40 and then the point that wins the game.

If a player is leading 40-30 and then loses the next point to their opponent, the score then becomes 40-40 and at that point a player must win two consecutive points to win the game. The 40-40 score is what is known as deuce in tennis.

A score of 40-40 is known as deuce in tennis.