If you're serious about increasing swing speed, now's the time to work on hip rotation Raycat By Ron Kaspriske January 12, 2024 ...

For the swing I uploaded, my clubhead speed was 102 mph, with a potential of 106 mph. This wasn’t terrible, but once I went through the analysis, I understood exactly where I was losing power.

Her average forehand top spin speed sits at 129 km/h, faster than that of the present "Big Three" of Carlos Alcaraz (127 km/h), Jannik Sinner (126 km/h) and Novak Djokovic (122 km/h).