MONTERREY, Mexico - Top seed Garbiñe Muguruza dropped just two games against local wildcard Renata Zarazúa to make a commanding start at the Abierto GNP Seguros and claim her first victory in Monterrey.

Zarazúa came into Monterrey on the back of her best ever WTA result; just a month ago in Acapulco she knocked out Kristyna Pliskova in straight sets to claim her first ever main draw victory. But this time, the draw had her pitted against an in-form Muguruza, and the Spaniard needed just over 45 minutes to notch the 6-1, 6-1 victory.

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“I’m very happy because this is my third time in Monterrey, and in the previous years I didn’t play very well so finally now I could win a match,” Muguruza laughed in her on-court interview.

“It was different playing a local girl, a young star, but I’m excited to play new people. I just concentrate and try to do my job the best I can.”

The Spaniard played ruthless and decisive tennis across both sets, breaking Zarazúa six times. Muguruza hit 18 winners, but the more impressive figure might have been her unforced error count - she struck just four errors in a clinical performance that smothered Zarazúa’s game, allowing her just three winners and four unforced errors.

Muguruza will face Alison Riske in the next round, after the American battled past Evgeniya Rodina in straight sets yesterday, 6-0, 7-6(4).

Also through to Round 2, Miami Open standout Danielle Collins kept up her winning form against Mariana Duque-Mariño, seeing off the Colombian in straight sets, 6-1, 6-3.

No.5 seed Monica Puig and No.4 seed Timea Babos also cruised through their openers, with Puig notching a 6-3, 6-3 win against Nicole Gibbs and Babos knocking out qualifier Marie Bouzkova 6-3, 6-4.

Wildcard Ana Sofia Sanchez kept the home flag waving high after knocking out American qualifier Usue Maitane Arconada in three sets, while Anna Blinkova, Sara Sorribes Tormo, Stefanie Voegele and Naomi Broady also scored opening round wins.