SELECT opponents_in_final FROM table_name_22 WHERE surface = "hard" AND score_in_final = "6–1, 1–6, 7–6(4)"
Siapa lawan di final ketika pertandingan dimainkan di permukaan yang keras dan skor final adalah 6-1, 1-6, 7-6 (4)?
CREATE TABLE table_name_22 (opponents_in_final VARCHAR, surface VARCHAR, score_in_final VARCHAR)