World No.1 in stunning form during thumping Madrid Open semi-final win (Source: wta)

Video transcript

[GRUNTING]

[APPLAUSE]

- And that's great movement. So quick up to that ball, just to make sure she caught it as high as possible. Still had a hit up on that, but such good hands. And--

- 30-40.

- Such good use of the hands, to get a lot of spin on that one down the line.

[CROWD CHEERING]