‘Challengers’ screenwriter says ‘homoerotic’ nature of tennis inspired the film

When Justin Kuritzkes began writing what later became the hottest love triangle of the year, there was no star power involved. Though he was already an accomplished playwright and novelist (and the husband of Celine Song, the writer-director who provided last year’s buzziest love triangle with “Past Lives”), “Challengers” was Kuritzkes’ first screenplay and began as a document on his computer that no one was paying him to finish. But in 2021, “Challengers” appeared on the Black List, an annual roundup of the most popular unproduced scripts in Hollywood, which...