Australian Open finalist splits with German coach.
The Japanese star announce the big news on social.
World No. 1 gets real about toppling Rafa at Roland Garros.
The World No.1 and Rafa have a running joke about the NextGen. It shouldn't be funny to guys like Stefanos Tsitsipas.
The Pole saved match points to reach the quarterfinals, and from there she was unplayable.
The Czech had a bad day, but she explains that no matter how well she played she would have been up against it.
The Greek takes a late wild card into one of the most stacked 250 draws ever.
