The American has now doubts about who is the best returner in tennis.
Christopher Diaz-Figueroa has been banned for three years for match-fixing offenses.
Stefanos Tsitsipas makes promise that will thrill Greek fans.
The World No.2 will begin working with Schuettler as soon as she begins her off-season preparation.
The Swiss says he didn't want to discuss Julien Benneteau's comments too much on Tuesday, but he did address them.
After Julien Benneteau accused the Australian Open of favoring Federer, world No. 1 spoke out.
