CREATE TABLE table_24638867_6 (championship VARCHAR, score VARCHAR, surface VARCHAR)

Name the championship for hard surface 7 5, 6 4
SELECT championship FROM table_24638867_6 WHERE score = "7–5, 6–4" AND surface = "Hard"
SELECT "championship" FROM "table_24638867_6" WHERE "7–5, 6–4" = "score" AND "Hard" = "surface"