How many round of 32 results are followed by Polidori ( Ita ) w 6-1, 3-6, 6-3 in the round of 16?
CREATE TABLE "table1_18602462_22" (
  "athlete" text,
  "class" text,
  "event" text,
  "round_of_32" text,
  "round_of_16" text,
  "quarterfinals" text,
  "semifinals" text,
  "final_bronze_medal_match" text
);
SELECT COUNT("round_of_32") FROM "table1_18602462_22" WHERE "round_of_16"='Polidori ( ITA ) W 6-1, 3-6, 6-3';