CREATE TABLE table_2715 ("Edition" CLOB, "Round" CLOB, "Date" CLOB, "Partnering" CLOB, "Against" CLOB, "Surface" CLOB, "Opponents" CLOB, "W/L" CLOB, "Result" CLOB)

Name the w/l for czech republic
SELECT "W/L" FROM table_2715 WHERE "Against" = 'Czech Republic'
SELECT "W/L" FROM "table_2715" WHERE "Against" = 'Czech Republic'