Citi Open: Hong upsets Walton to move into second round
Seong-Chan Hong won against Adam Walton 7-6 (6), 7-6 (4) on Monday evening. He’ll play No 3 seed Karen Khachanov in the next round

Qualifier Seong-Chan Hong won against Australian Adam Walton 7-6 (6), 7-6 (4) to advance to the second round of the Citi Open at the William H.G. FitzGerald Tennis Center in Washington on Monday evening.
The win was Hong’s first ATP-level victory of the season.
Hong, ranked No 175, will face No 3 seed Karen Khachanov next.
Washington ATP 500, other first-round results (William H.G. FitzGerald Tennis Center, hard, USD 2.100.230, most recent results first):
- Radu Albot vs. Facundo Diaz Acosta
- Mitchell Krueger vs. Luca Nardi
- Reilly Opelka vs. James Duckworth
- Max Purcell vs. Thanasi Kokkinakis
- Aleksandar Kovacevic vs. Yoshihito Nishioka
- Juncheng Shang vs. Elias Ymer
- Luca Van Assche vs. Arthur Cazaux
- David Goffin vs. Camilo Ugo Carabelli
- Denis Shapovalov vs. Roberto Bautista Agut
- Mattia Bellucci (Q) beat Mackenzie McDonald: 7-6 (4), 7-6 (3)
- Emil Ruusuvuori beat Borna Coric: 6-7 (4), 7-6 (8), 6-4
- Daniel Elahi Galan beat Maxime Cressy (Q): 6-4, 6-3
- Cristian Garin beat Aslan Karatsev: 6-4, 6-2
- Christopher O’Connell beat Harold Mayot: 6-4, 7-6 (3)
- J.J. Wolf (WC) beat Zachary Svajda (LL): 6-4, 7-5