Kerber wins through after Venus battle
Angelique Kerber paid tribute to "an amazing champion" after overcoming Venus Williams to reach the semi-finals at Indian Wells.
The world number eight secured her berth in the last four with a 7-6 (7-3) 6-3 win over 38-year-old Williams in just over 90 minutes.
Kerber took a dramatic first-set tie-break that featured four breaks of serve.
The 31-year-old German then clinched an epic sixth game of the second set on her fifth break point to go 4-2 up to help her secure her second straight victory over the American.
"Venus is just such a great player and an amazing champion," Kerber said about her opponent, who came on to the court with a heavily taped right knee.
"It's always an honour to share the court with her. She's still playing at such a high level."
In the semi-final, she will face in-form Belinda Bencic of Switzerland, who defeated Karolina Pliskova 6-3 4-6 6-3 to extend her winning streak to 12 matches.
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