CREATE TABLE table_52786 ("Tournament" TEXT, "Winner" TEXT, "Runner-up" TEXT, "Score" TEXT, "Third Place" TEXT)

Who is the runner up when the score was 3 6, 6 3, [10 4]?
SELECT "Runner-up" FROM table_52786 WHERE "Score" = '3–6, 6–3, [10–4]'
SELECT "Runner-up" FROM "table_52786" WHERE "Score" = '3–6, 6–3, [10–4]'