Sinner serve helps him hammer Medvedev in Miami semi-final

Sinner says work on his serve has been a key part of his stellar 2024

Transcript

00:00 The surf has always been for me the toughest shot to improve,

00:05 but also because physically I was not ready to play it in this kind of pace and precision.

00:14 So we have done a great work throughout the last one and a half years now.

00:21 I changed a couple of things with the team that I have now.

00:27 So I have to say this for sure is one of my key points,

00:32 because when you have long rallies, especially against Daniel,

00:36 then the next point, if you can take the point with the surf, is really important.

00:44 So yeah, for sure this, but maybe also other tactical side was also much better today.