SELECT COUNT("Outcome") FROM table_3510 WHERE "Score in the final" = '6–3, 6–4, 7–6 (13–11)'
How many outcomes occur for score in the final of 6 3, 6 4, 7 6 (13 11)?
CREATE TABLE table_3510 (
    "Outcome" text,
    "No." text,
    "Date" text,
    "Championship" text,
    "Surface" text,
    "Opponent in the final" text,
    "Score in the final" text
)