I'm not the best sparred but im not the worst so I'll have a go

Firstly you have to pick if you want to be a defensive or a offensive spatter. This decision should be made by trying both methods out and see which one you actually prefer but you should also add lag as a conciderstion as it can greatly affect the spar.

moving technique wise there is the commonly used c shape which can be a good technique but if you use it I recommend to mix IT with something else as your moves can become predictable

Some people use the diagonal technique which consists of mostly moving in diagonal ways as it make you look like it's moving faster ( it doesn't actually ) and can confuse many players if used correctly , again a good method but the more you mix it up the less predictable u become .

Stoping method , not a lot of players use this method but what they basically do is stay still and way until the opponent is about about to attack and then they quickly doge and hit , the method is purely based on predictions but it can be affective if used corecrly

The most important thing is to mix it up and spar a lot until you kinda develop your own technique that you feel good using , a lot of players have slot preferences which can help some players so you can also try and creating sparring slots

May be some / a lot of grammar mistakes in this as I wrote it using a iOS dev but hope I helped in some way or another