CREATE TABLE table_name_49 (date VARCHAR, outcome VARCHAR, score VARCHAR)

When was the outcome runner-up with a score of 4 6, 3 6?
SELECT date FROM table_name_49 WHERE outcome = "runner-up" AND score = "4–6, 3–6"
SELECT "date" FROM "table_name_49" WHERE "4–6, 3–6" = "score" AND "outcome" = "runner-up"