CREATE TABLE table_name_83 (round VARCHAR, result VARCHAR)
SELECT round FROM table_name_83 WHERE result = "6–7 (6–8) , 1–6"
ผลการแข่งขันรอบใดคือ 6–7 (6–8) , 1–6?
What round had a result of 6–7 (6–8) , 1–6?