When the server wins this point, it is called vantage in; when the
receiver, or striker out, wins, it is called vantage out.
To have at vantage, to have the advantage of; to be in a more favorable
condition than. "He had them at vantage, being tired and harassed with
a long march." Bacon. — Vantage ground, superiority of state or place;
the place or condition which gives one an advantage over another. "The
vantage ground of truth. Bacon.
It is these things that give him his actual standing, and it is from
this vantage ground that he looks around him.