What is the Opponent in a game with a Score of 6–2, 6–2?
CREATE TABLE "singles_26_18_8" (
  "outcome" text,
  "date" text,
  "tournament" text,
  "surface" text,
  "opponent" text,
  "score" text
);
SELECT "opponent" FROM "singles_26_18_8" WHERE "score"='6–2, 6–2';