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Her first official tournament back was the 2020 Top Seed Open , where she defeated Victoria Azarenka in the first round , then took on sister Serena for the 31st time in the second round , losing to her in a tight three-set match .
 person: Victoria Azarenka; person: Serena
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Victoria Azarenka; person: Serena