Citi Open
Location: William H.G. FitzGerald Tennis Center
Washington, United States
Surface: Hard
Purse: $1,750,080
Date: July 31 - August 06

Finals
Alexander Zverev (5) def. Kevin Anderson (15) 6-4, 6-4
 
Semi Finals
Alexander Zverev (5) def. Kei Nishikori (2) 6-3, 6-4
Kevin Anderson (15) def. Jack Sock (8) 6-3, 6-4
 
Quarter Finals
Kei Nishikori (2) def. Tommy Paul 3-6, 7-6 (10-8), 6-4
Alexander Zverev (5) def. Daniil Medvedev 6-2, 6-4
Kevin Anderson (15) def. Yuki Bhambri 6-4, 4-6, 6-3
Jack Sock (8) def. Milos Raonic (3) 7-5, 6-4
 
Third Round
Tommy Paul def. Gilles Muller (11) 6-7 (3-7), 6-4, 6-3
Alexander Zverev (5) def. Tennys Sandgren 7-5, 7-5
Kei Nishikori (2) def. Juan Martin del Potro (13) 6-4, 7-5
Daniil Medvedev def. Grigor Dimitrov (4) 6-4, 6-2
Yuki Bhambri def. Guido Pella 6-7 (5-7), 6-3, 6-1
Kevin Anderson (15) def. Dominic Thiem (1) 6-3, 6-7 (6-8), 7-6 (9-7)
Milos Raonic (3) def. Marcos Baghdatis 7-6 (9-7), 6-3
Jack Sock (8) def. Jared Donaldson 7-6 (8-6), 6-2
 
Second Round
Daniil Medvedev def. Steve Johnson (14) 3-6, 6-4, 7-6 (7-1)
Tennys Sandgren def. Nick Kyrgios (10) 6-3, 3-0, Retired
Kevin Anderson (15) def. Malek Jaziri 6-4, 6-1
Yuki Bhambri def. Gael Monfils (6) 6-3, 4-6, 7-5
Grigor Dimitrov (4) def. Kyle Edmund 7-5, 4-6, 6-3
Gilles Muller (11) def. Dmitry Tursunov 6-1, 6-2
Marcos Baghdatis def. Ryan Harrison (16) 6-4, 6-1
Alexander Zverev (5) def. Jordan Thompson 4-6, 6-3, 7-6 (7-5)
Jared Donaldson def. Marc Polmans 6-2, 6-3
Milos Raonic (3) def. Nicolas Mahut 7-6 (7-2), 7-6 (10-8)
Tommy Paul def. Lucas Pouille (7) 7-6 (8-6), 6-3
Guido Pella def. Mischa Zverev (12) 6-7 (5-7), 7-6 (7-2), 6-3
Juan Martin del Potro (13) def. Lukas Lacko 7-5, 6-2
Kei Nishikori (2) def. Donald Young 6-3, 4-6, 7-6 (7-5)
Dominic Thiem (1) def. Henri Laaksonen 6-3, 6-3
Jack Sock (8) def. Marius Copil 7-6 (7-2), 7-6 (8-6)
 
First Round
Kyle Edmund def. Hyeon Chung 6-3, 6-1
Tennys Sandgren def. Go Soeda 7-6 (7-2), 6-3
Malek Jaziri def. Alessandro Bega 7-5, 7-5
Dmitry Tursunov def. Mitchell Krueger 6-4, 6-7 (4-7), 6-4
Marcos Baghdatis def. Edan Leshem 7-6 (7-1), 6-0
Jordan Thompson def. Ruben Bemelmans 6-3, 6-2
Donald Young def. Tim Smyczek 4-6, 6-3, 6-4
Guido Pella def. Ramkumar Ramanathan 6-4, 6-1
Daniil Medvedev def. Reilly Opelka 6-7 (8-10), 6-3, 7-6 (8-6)
Lukas Lacko def. Alexios Halebian 6-3, 6-4
Marius Copil def. Sekou Bangoura 6-4, 7-6 (7-1)
Jared Donaldson def. Dudi Sela 6-7 (6-8), 6-4, 6-3
Yuki Bhambri def. Stefan Kozlov 7-5, 2-0, Retired
Nicolas Mahut def. Thomas Fabbiano 6-1, 7-6 (7-3)
Tommy Paul def. Casper Ruud 3-6, 7-5, 3-0, Retired
Henri Laaksonen def. Vasek Pospisil 6-7 (7-9), 6-4, 6-3