Tenel is a pretty tough fighter. Force abilities shouldn’t be underestimated and even just having a lightsaber is something to be feared. Still, Sasuke can zip around with his Sharingan and lightning speed so he will be able to keep his distance and still claim the advantage. This just isn’t a fight where Tenel can really hope to make much of a difference. Sasuke’s abilities are just in a world of their own. Sasuke wins.