“Versus” is one of 23 Spanish preposition which means “contra” or “frente a”, and whose meaning is “in oposition a…” as English. It is not one of 23 Spanish preposition more popular, and the fact, the experts recommend the preferential use of “contra” or the locution “frente a” .
It’s easy to find it in headlines, specially in the sport news or news about political world and, in generally, in those informations which talk about competition, confrontation or contraposition.
Your abbreviated form is vs. (full stop, period).
And it is more frequent to find it in the written Spanish that in the spoken Spanish.
Hoy, Real Madrid versus Barcelona.
Clinton versus Trump.
Trump versus Clinton.
Igualdad versus desigualdad.
Cervantes vs. Shakespeare.
But, usually, the people say:
Hoy, Real Madrid contra Barcelona.
Clinton contra Trump o Trump contra Clinton.
Igualdad frente a desigualdad.
Cervantes frente a Shakespeare o Shakespeare frente a Cervantes.
Finally, you should know that it is not right to use the preposition “versus” with the meaning of direction (to) or equivalence.
A. Carlos/ PracticaEspañol