Garbine Muguruza powers into Monterrey quarter-finals

Garbine Muguruza dominated Alison Riske to 6-2 6-3 to progress at Monterrey.

The top seed powered into the quarter-finals, her fourth in 2018 so far, and will now face Ajla Tomljanovic.

Number two seed Magdalena Rybarikova, the oldest player in the draw, overcame Jana Fett 7-5 6-2 to book her place in the last eight.

She’ll face American world number 91 Sachia Vickery after she dispatched Ana Sofia Sanchez.

Fourth-seed Timea Babos is also safely into the quarter-finals after she battled past Brit Naomi Broady 6-3 6-7(6) 7-5, and Cuban fifth seed Monica Puig beat Stefanie Voegele in straight sets.