set point

Short definition from Wiktionary

Noun

1. 1
   A situation where if one of the two players wins the next point, (s)he will win the set (but not the match).
2. 2
   Alternative form of setpoint (“command signal fed into a controller”).
3. 3
   Used other than figuratively or idiomatically: see set, point. (a setting or location that is fixed)