Topspin

Good day! :D

What are the different variations of topspin? .. what is the difference of a forehand loop from a forward topspin ? 

Hi Jimi,

There are not a lot of differences.  They become extensions of each other.  There is no definitive cut off point when a topspin becomes a loop.

In general a loop tends to be a slower travelling shot that has more spin.  The stroke is more vertical to make this happen.  They both have a low to high action and a brushing contact.