For score 6–2, 6–3 and outcome is loser mention all the edition.
CREATE TABLE "singles" (
  "outcome" text,
  "edition" text,
  "opponent_team" text,
  "surface" text,
  "opponent" text,
  "score" text
);
SELECT "edition" FROM "singles" WHERE "outcome"='Loser' AND "score"='6–2, 6–3';