CREATE TABLE table_name_29 (opponent_in_the_final VARCHAR2, score VARCHAR2)

Which Opponent in the final has a Score of 6 3, 3 6, 6 8?
SELECT opponent_in_the_final FROM table_name_29 WHERE score = "6–3, 3–6, 6–8"
SELECT "opponent_in_the_final" FROM "table_name_29" WHERE "6–3, 3–6, 6–8" = "score"