In tennis, “love” means nothing. Love also has little to do with “Challengers,” which uses the sport as the backdrop to serve up an elaborate, non-linear psychological triangle that proves twisty and enticing for much of the match, before double faulting by whiffing on the ending.
Challengers is a sports film is rarely about the sport itself alone, and this film is only "about" tennis in the barest sense. It s about three people and the extremely complicated relationship dynamics that play out over the years that they know each other.