Citi Open: Popyrin advances to second round

Australian Alexei Popyrin reached the second round of the Citi Open when qualifier Tung-lin Wu retired at Rock Creek Park Tennis Center in Washington on Monday night.

Popyrin, ranked No 83, led 3-3 when Wu, ranked No 182, pulled out at Rock Creek Park Tennis Center in Washington on Monday night.

Washington ATP 500, other first-round matches (Rock Creek Park Tennis Center, hard, USD 2.108.110, most recent results first):

• Nick Kyrgios vs. Marcos Giron
• David Goffin vs. Jack Sock
• Sebastian Korda vs. Ilya Ivashka
• Mackenzie McDonald vs. Emil Ruusuvuori
• Benjamin Bonzi vs. Christopher Eubanks
• Yoshihito Nishioka vs. Jenson Brooksby
• Peter Gojowczyk vs. Benoit Paire
• Adrian Mannarino vs. Bradley Klahn
• Stefan Kozlov vs. Jack Draper: monday
• Andy Murray vs. Mikael Ymer: monday
• J.J. Wolf (WC) beat Taro Daniel (Q): 6-2, 6-3
• Borna Gojo (Q) beat James Duckworth: 4-6, 7-6 (4), 6-2
• Denis Kudla beat Michael Mmoh (Q): 1-6, 6-3, 6-4
• Dominik Koepfer (Q) beat SoonWoo Kwon: 3-6, 6-3, 6-4
• Kyle Edmund beat Yosuke Watanuki (Q): 6-4, 7-6 (8)