This app was mentioned in 3 comments, with an average of 1.33 upvotes
For sure! Here you go: https://play.google.com/store/apps/details?id=com.pumpkintechlabs.tenniscoreboardwear
Just search scorekeeper in the play store on the watch too.
A great sports scoring app if you have Android Wear: All Sports Score Keeper
Cheers!