![Stefanos Tsitsipas of Greece returns the ball to Rafael Nadal of Spain during a semifinal match at the Italian Open tennis tournament, in Rome, Saturday, May 18, 2019. (AP Photo/Andrew Medichini Stock Stefanos Tsitsipas of Greece returns the ball to Rafael Nadal of Spain during a semifinal match at the Italian Open tennis tournament, in Rome, Saturday, May 18, 2019. (AP Photo/Andrew Medichini Stock](https://c8.alamy.com/comp/2MJY0GA/stefanos-tsitsipas-of-greece-returns-the-ball-to-rafael-nadal-of-spain-during-a-semifinal-match-at-the-italian-open-tennis-tournament-in-rome-saturday-may-18-2019-ap-photoandrew-medichini-2MJY0GA.jpg)
Stefanos Tsitsipas of Greece returns the ball to Rafael Nadal of Spain during a semifinal match at the Italian Open tennis tournament, in Rome, Saturday, May 18, 2019. (AP Photo/Andrew Medichini Stock
![Rome, Italy. 18th May, 2019. Rafael Nadal of Spain celebrates during the men's singles semifinal match Rome, Italy. 18th May, 2019. Rafael Nadal of Spain celebrates during the men's singles semifinal match](https://l450v.alamy.com/450v/t9fh38/rome-italy-18th-may-2019-rafael-nadal-of-spain-celebrates-during-the-mens-singles-semifinal-match-against-greek-stefanos-tsitsipas-at-the-italian-open-tennis-tournament-in-rome-italy-on-may-18-2019-rafael-nadal-won-2-0-credit-alberto-lingriaxinhuaalamy-live-news-t9fh38.jpg)
Rome, Italy. 18th May, 2019. Rafael Nadal of Spain celebrates during the men's singles semifinal match
![Djokovic wins men's singles semifinal match against Schwartzman at Italian Open - Xinhua | English.news.cn Djokovic wins men's singles semifinal match against Schwartzman at Italian Open - Xinhua | English.news.cn](http://www.xinhuanet.com/english/2019-05/19/138071107_15582355904351n.jpg)
Djokovic wins men's singles semifinal match against Schwartzman at Italian Open - Xinhua | English.news.cn
![Tennis TV on X: "No Denying Novak! 🙌 4-time Rome champion @DjokerNole saves 2 MPs and edges Juan Martin del Potro 4-6 7-6(6) 6-4 to reach #ibi19 semi-final. https://t.co/UpzObBrQE9" / X Tennis TV on X: "No Denying Novak! 🙌 4-time Rome champion @DjokerNole saves 2 MPs and edges Juan Martin del Potro 4-6 7-6(6) 6-4 to reach #ibi19 semi-final. https://t.co/UpzObBrQE9" / X](https://pbs.twimg.com/media/D6zf-l0UYAAFQmM.jpg)
Tennis TV on X: "No Denying Novak! 🙌 4-time Rome champion @DjokerNole saves 2 MPs and edges Juan Martin del Potro 4-6 7-6(6) 6-4 to reach #ibi19 semi-final. https://t.co/UpzObBrQE9" / X
![Rome, Italy. 18th May, 2019. Novak Djokovic of Serbia returns the ball during the men's singles semifinal match against Argentina's Diego Schwartzman at the Italian Open Tennis tournament in Rome, Italy, on Rome, Italy. 18th May, 2019. Novak Djokovic of Serbia returns the ball during the men's singles semifinal match against Argentina's Diego Schwartzman at the Italian Open Tennis tournament in Rome, Italy, on](https://c8.alamy.com/comp/T9FH2W/rome-italy-18th-may-2019-novak-djokovic-of-serbia-returns-the-ball-during-the-mens-singles-semifinal-match-against-argentinas-diego-schwartzman-at-the-italian-open-tennis-tournament-in-rome-italy-on-may-18-2019-novak-djokovic-won-2-0-credit-alberto-lingriaxinhuaalamy-live-news-T9FH2W.jpg)