article_snippet: (CNN)History has repeated CNN)History at Indian Wells with the surprise withdrawal of Serena Williams from the semifinal due to a knee injury.
article_snippet: the surprise withdrawal of Serena Williams from the semifinal due to a knee injury comes 14 years after Serena Williams sister Venus pulled out minutes before the semifinal in 2001 -- also with a knee injury -- a move which led to a tournament boycott, amid claims of racism, that only ended this year.
article_snippet: Serena Williams had been due to play Romanian Simona Halep on Friday night, but instead posted news of Romanian Simona Halep withdrawal on Instagram.
article_snippet: Minutes before the highly-anticipated semifinal between the two sisters, Venus pulled out due to a knee injury.
highlights_snippet: Serena Williams pulls out of semifinal due to knee injury .
  