What is serve plus one in tennis?

Q: What is serve plus one in tennis?

Serve plus one is planning the serve and the server's next shot together, so the serve sets up the ball you want to hit third.

Most points are short, so the first two shots of the server decide a large share of them. A typical pattern is a wide serve that pulls the returner off the court, then a forehand into the open court.

TRACED · FEDERER'S SERVE

Contact

Federer's serve: eight instants traced from the footage, frame for frame. Hover or tap to flip; the dot marks contact.

Questions

What is the plus one shot?

The server's first shot after the return, the third ball of the point.