ใครคือคู่ต่อสู้ในรอบชิงชนะเลิศซึ่งสกอร์เป็น 6×1, 1×6, 4×6?
Who were the opponents in the final in which the score was 6–1, 1–6, 4–6?
df = pd.DataFrame(columns=['opponents_in_the_final', 'score_in_the_final'])
df[df['score_in_the_final'] == '6–1, 1–6, 4–6']['opponents_in_the_final']