CREATE TABLE table_name_30 (surface VARCHAR, score VARCHAR)

What is the Surface of the match with a Score of 2 6, 6 4, 7 6?
SELECT surface FROM table_name_30 WHERE score = "2–6, 6–4, 7–6"
SELECT "surface" FROM "table_name_30" WHERE "2–6, 6–4, 7–6" = "score"