Heather Watson beats Bethanie Mattek-Sands at Abierto Mexicano Telcel
Heather Watson moved into the second round of the Abierto Mexicano Telcel with a straight sets win over Bethanie Mattek-Sands.
The Briton double-faulted 10 times as she struggled with her serve but was still able to see off her American opponent 7-5 6-3 in Acapulco.
Watson, 24, plays second seed Kristina Mladenovic of France in round two.
Fellow Briton Kyle Edmund plays Sam Querrey of the US in the men's draw later on Tuesday.