![Dominic Thiem, of Austria, returns a shot to Stanislas Wawrinka, of Switzerland, at the BNP Paribas Open tennis tournament, Thursday, March 16, 2017, in Indian Wells, Calif. (AP Photo/Mark J. Terrill Stock Dominic Thiem, of Austria, returns a shot to Stanislas Wawrinka, of Switzerland, at the BNP Paribas Open tennis tournament, Thursday, March 16, 2017, in Indian Wells, Calif. (AP Photo/Mark J. Terrill Stock](https://c8.alamy.com/comp/2MW8JP4/dominic-thiem-of-austria-returns-a-shot-to-stanislas-wawrinka-of-switzerland-at-the-bnp-paribas-open-tennis-tournament-thursday-march-16-2017-in-indian-wells-calif-ap-photomark-j-terrill-2MW8JP4.jpg)
Dominic Thiem, of Austria, returns a shot to Stanislas Wawrinka, of Switzerland, at the BNP Paribas Open tennis tournament, Thursday, March 16, 2017, in Indian Wells, Calif. (AP Photo/Mark J. Terrill Stock
Dominic Thiem on Twitter: "It is time to keep going, to do my best every day and to keep progressing. Step by step. I knew it wasn't going to be easy. Thank
![Dominic Thiem of Austria looks at his injured elbow during his men's final match against Roger Federer of Switzerland at the BNP Paribas Open in Indian Wells, California on March 17, 2019. Dominic Thiem of Austria looks at his injured elbow during his men's final match against Roger Federer of Switzerland at the BNP Paribas Open in Indian Wells, California on March 17, 2019.](https://c8.alamy.com/comp/TXRX5P/dominic-thiem-of-austria-looks-at-his-injured-elbow-during-his-mens-final-match-against-roger-federer-of-switzerland-at-the-bnp-paribas-open-in-indian-wells-california-on-march-17-2019-thiem-defeated-federer-3-6-6-3-7-5-to-win-the-championship-and-his-first-atp-masters-1000-tournament-photo-by-david-silpaupi-TXRX5P.jpg)
Dominic Thiem of Austria looks at his injured elbow during his men's final match against Roger Federer of Switzerland at the BNP Paribas Open in Indian Wells, California on March 17, 2019.
![Indian Wells, California, USA. 10th March, 2018. Indian Wells, California, USA. 10th Mar, 2018. Stefanos Tsitsipas (GRE) defeated by Dominic Thiem (AUT) 6-2, 3-6, 6-3 at the BNP Paribas Open played at Indian Wells, California, USA. 10th March, 2018. Indian Wells, California, USA. 10th Mar, 2018. Stefanos Tsitsipas (GRE) defeated by Dominic Thiem (AUT) 6-2, 3-6, 6-3 at the BNP Paribas Open played at](https://c8.alamy.com/comp/M7HYM9/indian-wells-california-usa-10th-march-2018-indian-wells-california-M7HYM9.jpg)