Startup Idea : Sports team friendly matches for play

Me and my amateur soccer team always find it difficult to find an opponent when we are keen for friendly games. Obviously, we are not professionals. We're just a team who would want to meet likeminded people and play soccer together. I hope there's an app to help us find friendly matches. This app could even extend to games like futsal, badminton, tennis, basketball or even boxing. Set your available date, find an opponent, location and the app could even help us to engage referees to facilitate the game. It creates jobs for them too.