Rafael Nadal of Spain reacts after defeating Dominic Thiem of Austria in five sets during the ninth day of the US Open Tennis Championships at the Arthur Ashe Stadium in the USTA National Tennis Center in Flushing Meadows, New York, USA, 04 September 2018. The US Open runs from 27 August through 09 September. EPA-EFE/JASON SZENES
Rafael Nadal of Spain hits a return to Dominic Thiem of Austria during the ninth day of the US Open Tennis Championships the USTA National Tennis Center in Flushing Meadows, New York, USA, 04 September 2018. The US Open runs from 27 August through 09 September. EPA-EFE/JASON SZENES
Dominic Thiem of Austria hits a return to Rafael Nadal of Spain during the ninth day of the US Open Tennis Championships the USTA National Tennis Center in Flushing Meadows, New York, USA, 04 September 2018. The US Open runs from 27 August through 09 September. EPA-EFE/BRIAN HIRSCHFELD
Rafael Nadal of Spain hits a return to Dominic Thiem of Austria during the ninth day of the US Open Tennis Championships the USTA National Tennis Center in Flushing Meadows, New York, USA, 04 September 2018. The US Open runs from 27 August through 09 September. EPA-EFE/BRIAN HIRSCHFELD
Dominic Thiem of Austria hits a return to Rafael Nadal of Spain during the ninth day of the US Open Tennis Championships the USTA National Tennis Center in Flushing Meadows, New York, USA, 04 September 2018. The US Open runs from 27 August through 09 September. EPA-EFE/JASON SZENES
Rafael Nadal of Spain hits a return to Dominic Thiem of Austria during the ninth day of the US Open Tennis Championships the USTA National Tennis Center in Flushing Meadows, New York, USA, 04 September 2018. The US Open runs from 27 August through 09 September. EPA-EFE/JASON SZENES
Rafael Nadal (L) of Spain hugs Dominic Thiem (R) of Austria after defeating him in five sets during the ninth day of the US Open Tennis Championships at the Arthur Ashe Stadium in the USTA National Tennis Center in Flushing Meadows, New York, USA, 04 September 2018. The US Open runs from 27 August through 09 September. EPA-EFE/JASON SZENES