Katie Boulter made a first-round exit at the Abierto GNP Seguros in Monterrey as she was beaten in straight sets by Anna Karolina Schmiedlova.
Great Britain’s Boulter was defeated 6-4 6-0 by her Slovakian opponent after an hour and 24 minutes.
The opening set saw Boulter register the first break to go 3-2 up, only for Schmiedlova to immediately break back before winning all but one of the games thereafter.
Boulter received treatment on her right foot during a medical time out at 3-0 down in the second.
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