SELECT finalist FROM table_name_20 WHERE surface = "clay" AND semifinalists = "yevgeny kafelnikov juan carlos ferrero (2)"
Siapakah finalis, ketika permukaan tanah liat, dan ketika semifinalis adalah Yevgeny Kafelnikov Juan Carlos Ferrero (2)?
CREATE TABLE table_name_20 (finalist VARCHAR, surface VARCHAR, semifinalists VARCHAR)