CREATE TABLE table_name_75 (opponent VARCHAR, result VARCHAR)

Who was the opponent when the result was 7 6 (7 5) , 6 3?
SELECT opponent FROM table_name_75 WHERE result = "7–6 (7–5) , 6–3"
SELECT "opponent" FROM "table_name_75" WHERE "7–6 (7–5) , 6–3" = "result"