Kostyuk's frosty post-match moment with Azarenka

Ukrainian player refuses to shake hands with Belarusian star (Source: US Open)

Video transcript

- Serve.


- Game, set and match.

- She did, and she wins it. [? It's a test. ?] Victoria Azarenka, in the third round at the US Open.

- I think there was all Azarenka today in terms of shot selection and just great chess making. She did everything right in terms of moving the ball around.