Serena Williams Beats Sister Venus at US Open: She’s the toughest player I’ve ever played.

A photo posted by @usopen on Sep 8, 2015 at 7:20pm PDT

Congratulations to Serena Williams! On Tuesday night, she faced and won against her older sister, Venus Williams, in the U.S. Open quarterfinals. Moving two matches from history, she moved into the semifinals at Flushing Meadows with a 6-2, 1-6, 6-3 victory in the historical Williams vs. Williams rivalry. After the win, the pair met at the net and embraced each other. Serena said in an on-court interview:

She’s the toughest player I’ve ever played in my life and the best person I know. It’s going against your best friend and at the same time going against the greatest competitor, for me, in women’s tennis.

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