article: 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.
summary: Heather Watson moved into the second round of the Abierto Mexicano Telcel with a straight sets win over Bethanie Mattek-Sands.