article_snippet: Top seed Serena advanced to the quarter-finals of the Miami Open on Monday as Venus.
article_snippet: Serena beat 24th seed Svetlana Kuznetsova 6-2 6-3, while Serena elder sister Venus, who is the 16th seed, beat fourth seed Wozniacki of Denmark 6-3 7-6 (7/1).
article_snippet: Venus Williams celebrates after defeating Caroline Wozniacki to reach the Miami Open quarter-finals .
article_snippet: Venus defeated the Dane, who was seeded fourth in the tournament, 6-3 7-6 (7/1) Venus Williams reaches to make a return during Venus Williams victory over Wozniacki at Key Biscayne .
article_snippet: Serena will next play Sabine Lisicki of Germany after Wozniacki 6-1 6-2 defeat of Sara Errani of Italy.
article_snippet: Serena celebrates after winning a game in Serena 6-2 6-3 victory over Svetlana Kuznetsova .
article_snippet: Serena will face Germany's Sabine Lisicki in the quarter-finals after making it through on Monday .
highlights_snippet: Venus defeated Wozniacki 6-3 7-6 (7/1) to reach the quarter-finals .
  
highlights_snippet: Serena beat 24th seed Svetlana Kuznetsova 6-2 6-3 .
  