CREATE TABLE "singles_2_6_9" (
  "outcome" text,
  "tournament" text,
  "surface" text,
  "opponent" text,
  "score" text
);

Question: Which tournament included an opponent of Marinko Matosevic?
SQL: SELECT "tournament" FROM "singles_2_6_9" WHERE "opponent"='marinko matosevic';

Question: Who was the opponent when the score was 6-3, 6-3?
SQL: SELECT "opponent" FROM "singles_2_6_9" WHERE "score"='6-3, 6-3';