Federer had not played on clay, his weakest surface, since 2016, but his first match at the Madrid Open could not have gone much better.
CHRISTOPHER CLAREY, New York Times: Tennis
Tue, 05/07/2019 - 4:25pm
Federer had not played on clay, his weakest surface, since 2016, but his first match at the Madrid Open could not have gone much better.