CREATE TABLE table_1918850_2 (surface VARCHAR, score_in_the_final VARCHAR)

what is the surface of the final which had score 6-2, 6-3
SELECT surface FROM table_1918850_2 WHERE score_in_the_final = "6-2, 6-3"
SELECT "surface" FROM "table_1918850_2" WHERE "6-2, 6-3" = "score_in_the_final"