According to the current form of the teams, Shelbourne looks more confident ahead of the match against Derry City. Shelbourne is top of the table in the League of Ireland Premier Division, with a 5-game winning streak and 19 points from 7 games. Meanwhile, Derry City is in 3rd place with 11 points and has suffered 2 defeats in their recent matches. Based on this information, it is more likely that Shelbourne has the advantage and could win the match against Derry City.