She began the clay-court season at the 2012 Family Circle Cup - Singles, where she was seeded 13th. She upset eighth seed Anastasia Pavlyuchenkova in the third round. She lost in the quarterfinals to Polona Hercog, 1-6, 2-6. Her next tournament was the 2012 Estoril Open - Womens Singles, where she was the seventh seed and lost in the quarterfinals to the top seed Roberta Vinci, 2-6, 6-1, 4-6. The rest of her clay-court season was dismal, with a 3-3 win-loss record from Madrid through Brussels. She was the 27th seed at the 2012 French Open - Womens Singles and lost in the third round to sixth seed Samantha Stosur, 3-6, 3-6.
Question: How many total points did Polona Hercog win the quarterfinals game by?
Answer: 9