Lara Arruabarrena cruised into the second round with a 6-0 6-2 win over Nadia Alam as the WTA Claro Colsanitas Open first round began in Bogota on Monday.
Arruabarrena won 80 per cent of points on her first serve and another 80 per cent of points on her second serve in a dominant performance in which she broke Alam five times.
The Spanish fourth seed was the only seeded player in action on the day and cruised through comfortably to set up a second-round clash with Anne Schafer.
German Schafer defeated France's Chloe Paquet 6-3 2-6 6-2.
Conny Perrin won an all-Swiss affair as she defeated Romina Oprandi after serving up seven aces in a 6-4 7-6 (7-5) triumph to progress to the next round.
The world number 255 saved four of the six break points she faced during the 1 hour, 42 minute win.
Paula Cristina Goncalves recovered to beat Veronica Royg 5-7 6-4 6-2 in a marathon clash that took two-and-a-half hours to complete.
The Brazilian broke Royg six times over the course of the match and won 76 per cent of points on first serve, including 13 aces.
Sachia Vickery came through a tough first set on the way to a 7-6 (7-3) 6-1 win over world number 996 Yulina Lizarazo, needing just nine service games to win the match.