CREATE TABLE table_25407 ("Outcome" TEXT, "Year" FLOAT, "Championship" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score in the final" TEXT)

Which surfaces have the final score of 6 1, 6 7 (2 7) , 7 6 (7 5) , 7 6 (10 8)?
SELECT "Surface" FROM table_25407 WHERE "Score in the final" = '6–1, 6–7 (2–7) , 7–6 (7–5) , 7–6 (10–8)'
SELECT "Surface" FROM "table_25407" WHERE "Score in the final" = '6–1, 6–7 (2–7) , 7–6 (7–5) , 7–6 (10–8)'