CREATE TABLE table_name_47 (surface VARCHAR, score_in_the_final VARCHAR)
SELECT surface FROM table_name_47 WHERE score_in_the_final = "0–6, 4–6"
คะแนนในรอบสุดท้าย 0–6, 4–6 อยู่ที่พื้นผิวใด
On what surface was the score in the final 0–6, 4–6?