57381
She came back from a set down to defeat world No. 16 Roberta Vinci in the first round and thus ended her nine-match losing streak from the previous season .
 Roberta Vinci
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Roberta Vinci