Overview
- Bianca Pagdanganan, Chisato Iwai, Jenny Shin, and Brianna Do share the lead after the first round, each carding a 4-under 68.
- Sweltering heat and humidity on the Yucatán Peninsula tested players' endurance and limited scoring opportunities.
- Pagdanganan capitalized on her power game, finishing with a two-putt birdie on the par-5 18th hole.
- Brianna Do, making her first LPGA appearance of the year, overcame a challenging track record to secure a share of the lead.
- Five players, including Hye-Jin Choi and Jenny Bae, sit one stroke back at 3-under, while top-ranked Charley Hull struggled to a 72.