CREATE TABLE table_39057 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Partner" TEXT, "Opponent" TEXT, "Score" TEXT)

With the score of 6 3, 2 6, [10 8] and played on clay who was the opponent?
SELECT "Opponent" FROM table_39057 WHERE "Surface" = 'clay' AND "Score" = '6–3, 2–6, [10–8]'
SELECT "Opponent" FROM "table_39057" WHERE "Score" = '6–3, 2–6, [10–8]' AND "Surface" = 'clay'