CREATE TABLE table_73920 ("Outcome" TEXT, "No." TEXT, "Date" TEXT, "Championship" TEXT, "Surface" TEXT, "Opponent in the final" TEXT, "Score in the final" TEXT)

When the score in the final is 3 6, 6 4, 3 6, 4 6, who are all the opponents in the final?
SELECT "Opponent in the final" FROM table_73920 WHERE "Score in the final" = '3–6, 6–4, 3–6, 4–6'
SELECT "Opponent in the final" FROM "table_73920" WHERE "Score in the final" = '3–6, 6–4, 3–6, 4–6'