Serena Williams reached her 12th Wimbledon semi final with a gritty three-set victory against fellow American Alison Riske on Centre Court/Source: Glyn Kirk/AFP/Getty Images
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Serena Williams reaches Wimbledon semifinals
Serena Williams reached her 12th Wimbledon semifinal with a gritty three-set victory against fellow American Alison Riske on Centre Court Tuesday.
