CREATE TABLE table_41299 ("Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Partnering" TEXT, "Opponent in the final" TEXT, "Score" TEXT)

What surface was played on with a score of 6 4, 6 3 and on 4 May 1992?
SELECT "Surface" FROM table_41299 WHERE "Score" = '6–4, 6–3' AND "Date" = '4 may 1992'
SELECT "Surface" FROM "table_41299" WHERE "Date" = '4 may 1992' AND "Score" = '6–4, 6–3'