CREATE TABLE table_60099 ("Edition" CLOB, "Round" CLOB, "Date" CLOB, "Against" CLOB, "Surface" CLOB, "Opponent" CLOB, "Result" CLOB)

Who was the match against when on a clay surface during round 2r?
SELECT "Against" FROM table_60099 WHERE "Round" = '2r' AND "Surface" = 'clay'
SELECT "Against" FROM "table_60099" WHERE "Round" = '2r' AND "Surface" = 'clay'