RIO DE JANEIRO (AP) Rafael Nadal advanced to the semifinals of the Rio Open on Friday without hitting a shot.
The top seed moved on after his quarterfinal opponent Alexandr Dolgopolov of Ukraine withdrew before the clay-court match with a shoulder injury.
Guido Pella of Argentina reached the semis beating Daniel Gimeno-Traver of Spain 5-7, 6-1, 7-5.
Pablo Cuevas of Uruguay was leading Federico Delbonis of Argentina 6-4, 2-4 when a downpour suspended their quarterfinal.
No. 2-seeded David Ferrer was to face Dominic Thiem in a late quarterfinal.
On the women's side of the ATP-WTA event, Petra Martic of Croatia defeated No. 6 Lara Arruabarrena 6-4, 5-7, 7-5 to reach the semifinals. No. 3 Danka Kovinic was the only seed left in the field.