Schwartzman retires from Rio Open because of leg injury

Defending champion Diego Schwartzman retired from the Rio Open because of a right leg injury

RIO DE JANEIRO -- Defending champion Diego Schwartzman retired from the Rio Open on Wednesday because of a right leg injury.

The fourth-seeded Argentine player trailed Uruguay's Pablo Cuevas 6-1, 4-1 when he stopped playing. The first-round match began Tuesday and was interrupted by rain.

Cuevas, the 2016 winner, will face Argentina's Juan Ignacio Londero in the round of 16.

In second-round matches, Jaume Munar of Spain beat Cameron Norrie of Britain 7-6 (6), 5-7, 7-6 (4); Bolivia's Hugo Dellien topped Roberto Carballes Baena of Spain 7-5, 6-4; and Slovenia's Aljaz Bedene beat Thiago Monteiro of Brazil 6-3, 6-4.

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