ATP Tour

Watch Thursday highlights from Washington, where Lloyd Harris stunned Rafael Nadal. Photo Credit: Mike Lawrence/Citi Open. Watch live tennis streams at http://www.tennistv.com.

Watch Rafael Nadal hit an incredible backhand return winner from deep in the court against Lloyd Harris at the Citi Open. Watch live tennis streams at http://www.tennistv.com.

Watch Rafael Nadal hit a tremendous forehand passing shot to break Lloyd Harris' serve in the second set of their Citi Open clash. Watch live tennis streams at http://www.tennistv.com.

Watch Lloyd Harris hit a sensational winner to close out the first set against Rafael Nadal at the Citi Open. Watch live tennis streams at http://www.tennistv.com.

Watch Kei Nishikori crush a backhand winner against Cameron Norrie at the Citi Open. Photo Credit: Peter Staples/Citi Open. Watch live tennis streams at http://www.tennistv.com.

Watch Jenson Brooksby play incredible defence before crushing a winner from the back wall against Felix Auger-Aliassime in Washington. Watch live tennis streams at http://www.tennistv.com.

Watch Hot Shot as #NextGenATP Sebastian Korda Floats a topspin lob over Jannik Sinner at the Citi Open on Thursday. Watch ATP Tour tennis streams on TennisTV.com. Photo Credit: Mike Lawrence/Citi Open

Watch Frances Tiafoe and Jenson Brooksby take you on a tour around the grounds of the Citi Open — his home event — in Washington.

Watch Hot Shot as #NextGenATP Jannik Sinner hammers a forehand winner past Sebastian Korda at the Citi Open on Thursday. Watch ATP Tour tennis streams on TennisTV.com. Photo Credit: Peter Staples/Citi Open

Rafael Nadal talks about experiencing a full house again in his Citi Open debut after seeing off Jack Sock in three sets. Watch live matches at TennisTV.com

Watch Tuesday highlights from the Citi Open in Washington, D.C., where Rafael Nadal denies Jack Sock in three gripping sets. Watch live tennis streams at TennisTV.com. Photo Credit: Peter Staples/Citi Open

Watch Hot Shot as Rafael Nadal's skyhook shot has fans on their feet at the Citi Open. Watch ATP Tour tennis streams live & on-demand on TennisTV.com. Photo Credit: Peter Staples/Citi Open

Watch Hot Shot as Kei Nishikori ends a long point against Alexander Bublik with an incredible skyhook shot at the Citi Open. Watch ATP Tour tennis streams live & on-demand on TennisTV.com. Photo Credit: Mitchell Layton/Getty Images

Watch Hot Shot as Rafael Nadal scrambles to turn defence into a winning play with a tweener at the Citi Open. Watch ATP Tour tennis streams live & on-demand on TennisTV.com. Photo Credit: Peter Staples/Citi Open

Watch Hot Shot as Emil Ruusuvuori shows great speed and control to produce the tweener lob against Jannik Sinner. Watch ATP Tour tennis streams live & on-demand on TennisTV.com. Photo Credit: Peter Staples/Citi Open

Watch an incredible point between Alex de Minaur and Steve Johnson at the Citi Open in Washington. Watch live tennis streams at http://www.tennistv.com.

Watch this funny moment during John Millman's practice session with fellow Australian Alex de Minaur.

Watch Tuesday highlights from the Citi Open in Washington, D.C., where Felix Auger-Aliassime, Mackenzie McDonald and Jenson Brooksby were among the day's winners. Watch live tennis streams at TennisTV.com. Photo Credit: Peter Staples/Citi Open

Watch Hot Shot as #NextGenATP Jenson Brooksby hits a stunning return winner to break the Frances Tiafoe serve at the Citi Open. Watch ATP Tour tennis streams on TennisTV.com. Photo Credit: Peter Staples/Citi Open

Watch Hot Shot as Jenson Brooksby keeps his composure and fires a stunning inch-perfect lob against Frances Tiafoe. Watch ATP Tour tennis streams live & on-demand on TennisTV.com. Photo Credit: Peter Staples/Citi Open

Watch Hot Shot as Nick Kyrgios punishes a high-bouncing ball from Mackenzie McDonald at the Citi Open. Watch live ATP Tour tennis streams at TennisTV.com. Photo Credit: Peter Staples/Citi Open

Watch Hot Shot as Nick Kyrgios winds up for a booming forehand... and hits the perfect drop shot at the Citi Open! Watch ATP Tour tennis streams at TennisTV.com Photo Credit: Mitchell Layton/Getty Images

Watch Hot Shot as Frances Tiafoe covers the court and comes up with a beautiful backhand at the Citi Open. Watch ATP Tour tennis streams on TennisTV.com. Photo Credit: Peter Staples/Citi Open

Watch Kei Nishikori practise his net game at the Citi Open in Washington.

Watch Felix Auger-Aliassime train at the Citi Open before beginning his run at the ATP 500 event.