CREATE TABLE table_name_77 (surface VARCHAR, score_in_the_final VARCHAR)
SELECT surface FROM table_name_77 WHERE score_in_the_final = "4–6, 3–6"
พื้นผิวใดมีคะแนนในรอบสุดท้าย 4–6, 3–6?
Which surface has a score in the final of 4–6, 3–6?