How much topspin in tennis is considered good for an amateur player? I hit with an average of 1,400 rpm with a max of around 2,500 rpm. - Quora
![Model trajectories for a spinning tennis ball: III. The effect of a light wind on ground strokes | Request PDF Model trajectories for a spinning tennis ball: III. The effect of a light wind on ground strokes | Request PDF](https://www.researchgate.net/publication/345930718/figure/fig4/AS:1132466718941216@1647012514411/Model-trajectories-for-a-centre-line-ground-stroke-with-under-spin-oy0-400-rad_Q320.jpg)
Model trajectories for a spinning tennis ball: III. The effect of a light wind on ground strokes | Request PDF
![IJERPH | Free Full-Text | Using Smart Sensors to Monitor Physical Activity and Technical–Tactical Actions in Junior Tennis Players IJERPH | Free Full-Text | Using Smart Sensors to Monitor Physical Activity and Technical–Tactical Actions in Junior Tennis Players](https://www.mdpi.com/ijerph/ijerph-17-01068/article_deploy/html/images/ijerph-17-01068-g001.png)