Why hawkeye called shuttle out in Singapore Open 2023

Shuttle played by China – looks like a flick serve.

Arisa leaves it.

End linejudge calls shuttle in

Arisa challenges.

Hawkeye says shuttle out.

Umpire says correction out, service over. Point to Japan.

Commentators say shuttle was clearly in and are wondering what’s going on.

What happened? :)

10.20 of the video.

[embedded content]