CREATE TABLE table_name_32 (surface VARCHAR, score VARCHAR)

On what surface was the match played with a score of 2 6, 6 3, 6 4?
SELECT surface FROM table_name_32 WHERE score = "2–6, 6–3, 6–4"
SELECT "surface" FROM "table_name_32" WHERE "2–6, 6–3, 6–4" = "score"