Qualifier Radu Albot beat Argentinian Facundo Diaz Acosta 7-6 (5), 6-3 to move into the second round of the Citi Open at the William H.G. FitzGerald Tennis Center in Washington.
Albot, ranked No 152, will face second seed Ben Shelton next.
Washington ATP 500, other first-round results (William H.G. FitzGerald Tennis Center, hard, USD 2.100.230, most recent results first):
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