CREATE TABLE table_29412 ("Athlete" TEXT, "Event" TEXT, "Round of 32" TEXT, "Round of 16" TEXT, "Quarterfinals" TEXT, "Semifinals" TEXT)

What is the round of 32 if the round of 16 is drenovak ( srb ) w 20 11?
SELECT "Round of 32" FROM table_29412 WHERE "Round of 16" = 'Drenovak ( SRB ) W 20–11'
SELECT "Round of 32" FROM "table_29412" WHERE "Round of 16" = 'Drenovak ( SRB ) W 20–11'