Johanna Konta, Heather Watson through to quarter-finals in Mexico

Great Britain's Johanna Konta and Heather Watson have both reached the last eight of the Monterrey Open in Mexico.

World number 27 Konta overcome Belgium's Yanina Wickmayer in two hard-fought sets.

Both went to tie-breaks, with Australia-born Konta eventually coming out on top 7-6(6) 7-6(4).

She will now take on either Kirsten Flipkens or Alison van Uytvanck for a place in the semi-finals.

As for Watson, she sealed her progression thanks to a 6-2 6-3 triumph over Slovenia's Polona Hercog in one hour and 20 minutes.

Up next for the 23-year-old is either second seed Caroline Wozniacki or Mirjana Lucic-Baroni.