CREATE TABLE table_204_177 (id DECIMAL, "player" TEXT, "years played" TEXT, "total w-l" TEXT, "singles w-l" TEXT, "doubles w-l" TEXT)

how many players went 0-1 in total w l ?
SELECT COUNT("player") FROM table_204_177 WHERE "total w-l" = '0-1'
SELECT COUNT("player") FROM "table_204_177" WHERE "total w-l" = '0-1'