CREATE TABLE table_30057 ("Outcome" TEXT, "Edition" TEXT, "Opponent Team" TEXT, "Surface" TEXT, "Opponent" TEXT, "Score" TEXT)

For score 6 2, 6 3 and outcome is loser mention all the edition.
SELECT "Edition" FROM table_30057 WHERE "Outcome" = 'Loser' AND "Score" = '6–2, 6–3'
SELECT "Edition" FROM "table_30057" WHERE "Outcome" = 'Loser' AND "Score" = '6–2, 6–3'