CREATE TABLE table_name_82 (surface VARCHAR, score VARCHAR)

On what surface was the match played with a score of 4 6, 6 3, 6 1?
SELECT surface FROM table_name_82 WHERE score = "4–6, 6–3, 6–1"
SELECT "surface" FROM "table_name_82" WHERE "4–6, 6–3, 6–1" = "score"