Bastad - Pablo Cuevas of Uruguay has won for just the fourth time this year when he ousted sixth-seeded Jeremy Chardy of France 6-2, 6-2 in under an hour in the first round of the Swedish Open on Tuesday.
Chardy was coming off a fourth-round appearance at Wimbledon.
Another player to end a drought was eighth-seeded Pablo Carreno Busta of Spain, who won for the first time since April at the expense of Dustin Brown of Germany, 6-3, 6-4.
Carlos Berlocq of Argentina began his title defense with a 2-6, 6-2, 6-2 win over Julian Reister of Germany.
Victor Hanescu of Romania advanced in straight sets to line up top seed and two-time former champion David Ferrer, who had a first-round bye.
Two qualifiers, Albert Ramos-Vinolas of Spain and Radu Albot of Moldova, also won, and two local wild cards, Elias Ymer and Christian Lindell, earned their first wins on the ATP Tour.
Collated results from the ATP Swedish Open on Tuesday (x denotes seeding):
Albert Ramos (ESP) bt Jiri Vesely (CZE) 7-5, 6-2
Victor Hanescu (ROM) bt Pablo Andujar (ESP) 6-4, 6-4
Pablo Cuevas (URU) bt Jeremy Chardy (FRA x6) 6-2, 6-2
Elias Ymer (SWE) bt Mikhail Kukushkin (KAZ) 6-3, 7-5
Pablo Carreno-Busta (ESP x8) bt Dustin Brown (GER) 6-3, 6-4
Christian Lindell (SWE) bt Inigo Cervantes-Huegun (ESP) 6-2, 6-3
Carlos Berlocq (ARG x7) bt Julian Reister (GER) 2-6, 6-2, 6-2
Radu Albot (MDA) bt Kenny De Schepper (FRA) 7-6 (7/4), 6-1
Renzo Olivo (ARG) bt Paul-Henri Mathieu (FRA) 5-2 retired