Courts surfaced with these materials play much like natural clay surfaces and are collectively classified as "clay courts", despite the fact that few if any true clay courts have been built for almost a century.
Lapangan itu muncul dengan bahan-bahan bermain seperti permukaan tanah liat alam dan secara kolektif diklasifikasikan sebagai "lapangan tanah liat", meskipun terlihat sedikit jika ada lapangan tanah liat benar telah dibangun selama hampir satu abad.