galain mentioned yet another kind of 'clay' made of termite mounds in Australia, now I count about four that former players might have played on. "I come from melbourne and now live in Europe. En tous cas and (at least) European clay are 2 quite different surfaces. yes - you slide on both of them, but the playing characteristics are not all that similar. In Australia, a lot of courts are referred to as 'clay' when they aren't. I wouldn't be surprised if Evonne Cawley grew up on crushed termite mounds - a popular 'clay' surface in the country areas. Perhaps technically en tous cas is a clay surface, but it doesn't really behave the same way as the stuff here in Europe." He's not being specific enough, how beyond the Har-Tru vs Red clay we have already talked about? We have traditional European crushed brick clay of RG, Berlin and Rome, Har-Tru rubico crushed basalt clay on the American courts, en tous cas clay derived from crushed brick, invented in the early part of the twentieth century and then these former insect homes or 'antbed' clay. What surfaces did former players learn on?