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Marrero partnered up with Santiago Ventura and they won in the final 7 – 6 ( 3 ) , 6 – 4 , against Uladzimir Ignatik and Martin Kližan .
 Marrero, Santiago Ventura, Uladzimir Ignatik, Martin Kližan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Marrero, Santiago Ventura, Uladzimir Ignatik, Martin Kližan