Namor vs "classic" Superboy
By classic Superboy I mean Kon-El (Conner Kent) before his powers were re-conned. This means that for this battle all he has is his tactile telekinesis. Here is a old bio describing the level and limits of those powers (it's a little out of date now but it works perfectly for this fight):
http://www.starnet-database.com/dbase_deo/profiles/young_justice/superboy/superboy.html
The fight takes place on a beach in Hawaii, Namor is fresh from the water and get his black suit, and both character are bloodlusted.
Who wins?
(*note: Superboy doesn't get his eye-visor)