CREATE TABLE table_71577 ("Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent" TEXT, "Score" TEXT)

What was the surface of the score of 7 5, 3 6, 7 6?
SELECT "Surface" FROM table_71577 WHERE "Score" = '7–5, 3–6, 7–6'
SELECT "Surface" FROM "table_71577" WHERE "Score" = '7–5, 3–6, 7–6'