CREATE TABLE table_6644 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Round" TEXT)

Round of 1, and a Record of 10 2 had what method?
SELECT "Method" FROM table_6644 WHERE "Round" = '1' AND "Record" = '10–2'
SELECT "Method" FROM "table_6644" WHERE "Record" = '10–2' AND "Round" = '1'