This is happening sooner than I expected.Promotional photos for episode 12Pictures of Ollie training Roy with Roy slappin' that water. I don't see any point seeing as how he has powers though.
http://www.comicbookmovie.com/fansites/JoshWildingNewsAndReviews/news/?a=93092
it helps to know how to actually fight in addition to having superpowers. Roy would still get that work in a fight right now.