Tradition, mostly. Tennis is seen as an upper class sport and prices will be set accordingly, it is not the case everywhere though. Another reason is that a te

Tradition, mostly. Tennis is seen as an upper class sport and prices will be set accordingly, it is not the case everywhere though. Another reason is that a tennis court takes significant space for just 2 (or 4) people. So unless it is subsidized, when land is at a premium like in a large city, it is going to be expensive.