Since Extreme Golf prioritizes finding opponents with similar skill levels, sometimes it may take a moment to find appropriate golfers to play.
To prevent matchmaking failures, the system will gradually expand the pool of golfers from which to match you with.
If it's taking too long to match with other golfers, it is likely that there aren't many golfers who are of similar skill levels in the tour you are playing.
In that case, you will notice that matchmaking is much faster in higher level tours!