The world No. 1 won in straights and will face Stan Wawrinka next.
Xu Shilin, who just turned 17 and goes by the English name Coco, was the first Chinese girl to be No. 1 in the world junior rankings.
“There is no limit on what you can achieve. No one can stop you,” she would tell Keys.
In an all-American Australian Open quarterfinal, Keys prevailed 6-3, 4-6, 6-4.
The Swiss won 6-3, 6-4, 7-6 (6) and will next face either Djokovic or Raonic.
What does the future hold for Rafael Nadal?
A look back at a few of the winners and losers from the opening week in Melbourne.
In the podcast, we discuss the opening week of play Down Under.
Inside the first Grand Slam of the season.