Citi Open: Hong eases past Khachanov to move into last 16

Qualifier Seong-Chan Hong won against Russian Karen Khachanov, the No 3 seed, 6-2, 6-4 to advance to the last 16 of the Citi Open at the William H.G. FitzGerald Tennis Center in Washington.

Hong, ranked No 175, will play American Alex Michelsen, the No 15 seed, next.

Ahead of his victory, Seong-Chan Hong defeated Australian Adam Walton (7-6 (6), 7-6 (4)).

Washington ATP 500, other second-round results (William H.G. FitzGerald Tennis Center, hard, USD 2.100.230, most recent results first):

• Radu Albot vs. Ben Shelton
• Reilly Opelka vs. Jordan Thompson
• Andrey Rublev vs. Luca Van Assche
• Alex Michelsen beat Mattia Bellucci (Q): 6-3, 7-6 (1)
• Giovanni Mpetshi Perricard (9) beat Emil Ruusuvuori: 7-6 (6), 7-6 (6)
• Flavio Cobolli (10) beat David Goffin: 7-6 (4), 6-3
• Aleksandar Kovacevic beat Roberto Carballes Baena (11): 7-6 (4), 7-6 (3)
• Alejandro Davidovich Fokina (8) beat Mitchell Krueger (Q): 3-6, 7-6 (3), 6-4
• Thanasi Kokkinakis beat Aleksandar Vukic (14): 6-4, 7-6 (4)
• Arthur Rinderknech (16) beat Juncheng Shang: 2-3 ret.
• Denis Shapovalov (WC) beat Adrian Mannarino (6): 6-2, 6-1
• Frances Tiafoe (5) beat Daniel Elahi Galan: 6-7 (8), 6-3, 6-3
• Brandon Nakashima (13) beat Christopher O’Connell: 6-2, 6-2
• Sebastian Korda (4) beat Cristian Garin: 6-3, 6-2
• Miomir Kecmanovic (12) beat J.J. Wolf (LL): 6-2, 6-3