Question: What was the surface tye during the match with the opponent of Richard Fromberg?
SQL: SELECT "Surface" FROM "2-1728546-1" WHERE "Opponent" = 'Richard Fromberg';

Question: What was the championship during the match with the opponent of Richard Fromberg?
SQL: SELECT "Championship" FROM "2-1728546-1" WHERE "Opponent" = 'Richard Fromberg';

Question: What was the surface type during the match with the score of 6–4, 7–6 (7-5)??
SQL: SELECT "Surface" FROM "2-1728546-1" WHERE "Score" = '6–4, 7–6 (7-5)';