CREATE TABLE table_name_84 (opponents VARCHAR, surface VARCHAR, score VARCHAR)

Who were the opponent in the match on a clay surface that had a score of 6 3, 7 6 (11 9)?
SELECT opponents FROM table_name_84 WHERE surface = "clay" AND score = "6–3, 7–6 (11–9)"
SELECT "opponents" FROM "table_name_84" WHERE "6–3, 7–6 (11–9)" = "score" AND "clay" = "surface"