There are obviously spoilers ahead forChallengers!

He trained the three stars, but also literally choreographed those incredible games.

It was there that Brad and his wife, Kim Gilbert, coached the trio.

Zendaya as Tashi in Challengers

She worked with a trainer and then worked on technique, namely copying techniques of real tennis players.

“She really worked a ton on her forehand swing and her backhand swing,” Bradexplained to GQ.

Whereas Mike played with a two-handed backhand.

Tashi intensely watching a match in Challengers

Besides two hours on the court, he had to go right to the gym."

When it came to actually filming the matches inChallengers, Brad choreographed how each point would go.

Bradexplained to GQ, “So I needed to write out each point, like a play-by-play.

Mike Faist and Josh O'Connor in Challengers

Something like, ‘This is a seven-ball rally, forehand to forehand,’ and so on.

Zendayaexplainedthat she used her dance background to treat the tennis moves like dance choreography.

Each actor had a tennis double they all grew very close to,accordingto Brad.

Art, Tashi, and Patrick sitting on a bed close together in Challengers

You wouldn’t normally get a time violation for that.

Everything else was accurate.”

Zendaya in Challengers

Screenshot from "Challengers"

Mike Faist, Zendaya, and Josh O'Connor at a red carpet event for Challengers

Brad Gilbert with cap and lanyard standing in a crowded area

Mike Faist and Josh O'Connor in "Challengers"

Scenes of Zendaya as Tashi playing tennis in Challengers

Scenes of Mike Faist as Art playing tennis in Challengers

Josh O'Connor as Patrick playing tennis in Challengers

Mike Faist in "Challengers"

A close-up of Patrick's face and Art's legs while playing a match in Challengers

Close-ups of Tashi and Patrick playing tennis in Challengers

Luca Guadagnino on the set of Challengers

Brad Gilbert standing on a tennis court with Coco Gauff

Zendaya as Tashi in Challengers

Coco Gauff celebrating a point on the court

Zendaya in "Challengers"