CREATE TABLE table_name_86 (opponent VARCHAR, score VARCHAR)
SELECT opponent FROM table_name_86 WHERE score = "7–5, 7–6 (8–6)"
คู่ต่อสู้คือใครเมื่อสกอร์คือ 7–5, 7–6 (8–6)?
who is the opponent when the score is 7–5, 7–6 (8–6)?