CREATE TABLE table_25437 ("Edition" TEXT, "Round" TEXT, "Date" TEXT, "Against" TEXT, "Surface" TEXT, "Opponent" TEXT, "W\\u2013L" TEXT, "Result" TEXT)

Name the opponent for 3 6, 4 6, 6 1, 6 7 (7 9)
SELECT "Opponent" FROM table_25437 WHERE "Result" = '3–6, 4–6, 6–1, 6–7 (7–9)'
SELECT "Opponent" FROM "table_25437" WHERE "Result" = '3–6, 4–6, 6–1, 6–7 (7–9)'