CREATE TABLE table_29163303_4 (surface VARCHAR, score VARCHAR)

On what surface was it the year when the score was 6 1, 4 6, [12 10]?
SELECT surface FROM table_29163303_4 WHERE score = "6–1, 4–6, [12–10]"
SELECT "surface" FROM "table_29163303_4" WHERE "6–1, 4–6, [12–10]" = "score"