In the previous round of the tournament, the Mexican defeated American wildcard Akasha Urhobo (7-5, 6-2). Today’s win was her sixth this season at the WTA level and she is seeded No 1 for the first time in her career at a WTA singles event.
Chwalinska, ranked No 175, won against Canadian Rebecca Marino (4-6, 6-4, 6-3) earlier in the week.
Merida WTA 250, other second-round matches (Yucatan Country Club, hard, USD 267,082):
