Dominic Thiem has had a breakout year. Is he ready for Roger Federer?
Ahead of his Tuesday match against Federer, Thiem said he considers himself “mentally strong.” But will it be enough to fend off the Grand Slam champ at the ATP World Tour Finals?
Ahead of his Tuesday match against Federer, Thiem said he considers himself “mentally strong.” But will it be enough to fend off the Grand Slam champ at the ATP World Tour Finals?
