CREATE TABLE table_48015 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent" TEXT, "Score" TEXT)

What type of surface did Thomaz Bellucci play against tommy robredo?
SELECT "Surface" FROM table_48015 WHERE "Opponent" = 'tommy robredo'
SELECT "Surface" FROM "table_48015" WHERE "Opponent" = 'tommy robredo'