What is the date of the match with arnaud di pasquale as the opponent in the final?
CREATE TABLE "singles_23_14_9" (
  "outcome" text,
  "date" text,
  "championship" text,
  "surface" text,
  "opponent_in_the_final" text,
  "score_in_the_final" text
);
SELECT "date" FROM "singles_23_14_9" WHERE "opponent_in_the_final"='arnaud di pasquale';