The typical sport that uses the term, "deuce", is Tennis or Table Tennis.
In tennis, when both opponents are tied at 40-40, the score is called deuce. Deuce changes to advantage when one opponent scores after achieving deuce.
Deuce is where both players are on 40 in a match of tennis
tennis
The term is called "Deuce."
40:40 Deuce in Tennis
4040 is deuce in tennis
40-40
Deuce.
Deuce
deuce
Deuce in tennis is when both the opponents, doubles, or singles, have "40" points in which is called deuce. After the deuce point, the match is either over, or you go into "add" scoring.