SELECT "Opponent" FROM table_42539 WHERE "Type" = 'ud' AND "Round" = '10' AND "Date" = '2008-06-11'
Which Opponent has a Type of ud and a Round of 10 on 2008-06-11?
CREATE TABLE table_42539 (
    "Result" text,
    "Opponent" text,
    "Type" text,
    "Round" text,
    "Date" text
)