Challengers: new Zendaya tennis film reviewed by an expert in the psychology of competition

"Tennis is a relationship," says Tashi Duncan (Zendaya) in director Luca Guadagnino's new film Challengers. However, this relationship is not simply between the game and the player. Rather the heart of tennis, and perhaps of all competition, is a three-way relationship between two contestants and a third person. Their presence, and observation, is what gives competition its intensity.

Challengers fuses sex and s