Dominic Thiem of Austria competes during the men's singles final with Rafael Nadal of Spain at French Open tennis tournament 2019 at Roland Garros, in Paris, France on June 9, 2019. (Photos: Xinhua)

Rafael Nadal of Spain celebrates after the men's singles final against Dominic Thiem of Austria at French Open tennis tournament 2019 at Roland Garros, in Paris, France on June 9, 2019. Nadal won 3-1 to claim the title.

Rafael Nadal (R) of Spain poses with Dominic Thiem of Austria during the awarding ceremony after their men's singles final at French Open tennis tournament 2019 at Roland Garros, in Paris, France on June 9, 2019. Nadal won 3-1 to claim the title.

Rafael Nadal of Spain holds the trophy during the awarding ceremony after the men's singles final against Dominic Thiem of Austria at French Open tennis tournament 2019 at Roland Garros, in Paris, France on June 9, 2019. Nadal won 3-1 to claim the title.

Rafael Nadal of Spain holds the trophy during the awarding ceremony after the men's singles final against Dominic Thiem of Austria at French Open tennis tournament 2019 at Roland Garros, in Paris, France on June 9, 2019. Nadal won 3-1 to claim the title.

Rafael Nadal of Spain competes during the men's singles final with Dominic Thiem of Austria at French Open tennis tournament 2019 at Roland Garros, in Paris, France on June 9, 2019.