ใครคือคู่ต่อสู้บนพื้นแข็งด้วยคะแนน 6-4 7-6(2)?ไม่จำเป็นที่จะต้องใช้โต๊ะทั้งหมด
Who were the opponents on a hard surface with a score of 6-4 7-6(2)?It is not neccessary to use all the tables.
 table_name_23:  (opponents_in_the_final [ VARCHAR ] surface [ VARCHAR ] score [ VARCHAR) ]
SELECT opponents_in_the_final FROM table_name_23 WHERE surface = "hard" AND score = "6-4, 7-6(2)"