![Frances Tiafoe, of the United States, in action against Thiago Monteiro in the round of 16 at the Winston-Salem Open tennis tournament in Winston-Salem, N.C., Wednesday, Aug. 25, 2021. (AP Photo/Nell Redmond Frances Tiafoe, of the United States, in action against Thiago Monteiro in the round of 16 at the Winston-Salem Open tennis tournament in Winston-Salem, N.C., Wednesday, Aug. 25, 2021. (AP Photo/Nell Redmond](https://c8.alamy.com/comp/2KD8XRY/frances-tiafoe-of-united-states-returns-a-ball-to-sebastian-baez-of-argentine-during-the-mens-singles-final-of-millennium-estoril-open-atp-250-tennis-tournament-at-the-clube-de-tenis-do-estoril-in-cascais-portugal-on-may-1-2022-photo-by-pedro-fizanurphoto-2KD8XRY.jpg)
Frances Tiafoe, of the United States, in action against Thiago Monteiro in the round of 16 at the Winston-Salem Open tennis tournament in Winston-Salem, N.C., Wednesday, Aug. 25, 2021. (AP Photo/Nell Redmond
![Scenes from Queens: Stefanos Tsitsipas, Simona Halep shocked by qualifiers Daniel Galan and Daria Snigur; more from US Open's Day 1 Scenes from Queens: Stefanos Tsitsipas, Simona Halep shocked by qualifiers Daniel Galan and Daria Snigur; more from US Open's Day 1](https://images.tennis.com/image/private/t_q-best/tenniscom-prd/r8c51jzbgojcnw2rc2d9.jpg)
Scenes from Queens: Stefanos Tsitsipas, Simona Halep shocked by qualifiers Daniel Galan and Daria Snigur; more from US Open's Day 1
![Frances Tiafoe, of the United States, in action against Thiago Monteiro in the round of 16 at the Winston-Salem Open tennis tournament in Winston-Salem, N.C., Wednesday, Aug. 25, 2021. (AP Photo/Nell Redmond Frances Tiafoe, of the United States, in action against Thiago Monteiro in the round of 16 at the Winston-Salem Open tennis tournament in Winston-Salem, N.C., Wednesday, Aug. 25, 2021. (AP Photo/Nell Redmond](https://c8.alamy.com/comp/2MDRE1N/frances-tiafoe-of-the-united-states-in-action-against-thiago-monteiro-in-the-round-of-16-at-the-winston-salem-open-tennis-tournament-in-winston-salem-nc-wednesday-aug-25-2021-ap-photonell-redmond-2MDRE1N.jpg)
Frances Tiafoe, of the United States, in action against Thiago Monteiro in the round of 16 at the Winston-Salem Open tennis tournament in Winston-Salem, N.C., Wednesday, Aug. 25, 2021. (AP Photo/Nell Redmond
![Roberto Bautista Agut, of Spain, reacts after defeating Damir Dzumhur, of Bosnia-Herzegovina, to win the Winston-Salem Open tennis tournament in Winston-Salem, N.C., Saturday, Aug. 26, 2017. (AP Photo/Chuck Burton Stock Photo - Roberto Bautista Agut, of Spain, reacts after defeating Damir Dzumhur, of Bosnia-Herzegovina, to win the Winston-Salem Open tennis tournament in Winston-Salem, N.C., Saturday, Aug. 26, 2017. (AP Photo/Chuck Burton Stock Photo -](https://c8.alamy.com/comp/2MRW72G/roberto-bautista-agut-of-spain-reacts-after-defeating-damir-dzumhur-of-bosnia-herzegovina-to-win-the-winston-salem-open-tennis-tournament-in-winston-salem-nc-saturday-aug-26-2017-ap-photochuck-burton-2MRW72G.jpg)