Patty Tavatanakit and 18-year-old Atthaya Thitikul of Thailand share a one-stroke lead after carding opening rounds of 8-under 64 on Thursday at the Honda LPGA Thailand.
Coming off a T3 finish last week at the HSBC Women's World Championship in Singapore, Tavatanakit birdied the opening hole at Siam Country Club in Chonburi and dropped in another birdie putt at No. 3 from off the green.
"I feel like that putt went in and I just feel the speed and the read for the whole day pretty good. I feel like it matches up pretty well," said Tavataknit, who finished with nine birdies and one bogey. "So wasn't expecting that at all because I feel like I didn't really get like a solid putting practice because the greens here are so slopey. If anything, I feel like I judged everything really well and I'm pleased with my round today."
Thitikul's career-low 64 included eagles on the par-5 10th and 18th holes, along with five birdies and one bogey.
"Well, No. 10 was like -- for 10 and 18 I never think that it's going to go in, but just take it like easy as I can," Thitikul said. "Like I'm not a good chipper, so 18 I decided to putt, but 10 I shoot it and I was surprise how good it is, that one."
Denmark's Nanna Koerstz Madsen and Thailand's Ariya Jutanugarn are one shot behind the leaders at 7 under. Madsen played one of the day's six bogey-free rounds, while Jutanugarn was tied for the lead before bogeying the 18th hole.
Koerstz Madsen said she's getting adjusted to the sweltering conditions. The temperatures were humid and in the high 80s.
"You get used to it and you adapt to the weather. So I'm definitely more prepared this week," she said. "Really trying to stay positive because it is really hot out here. I'm not used to that, and last week I had a little shock because of that. So I'm just trying to stay really positive and stay as energized as I can."
Germany's Caroline Masson and Australians Hannah Green and Lydia Ko are tied for fifth at 6 under. Six others are tied for eighth at 5 under, including Americans Brittany Altomare and Brittany Lincicome.
Fifty-three of 72 players finished the round at even par or better, including defending champion Amy Yang of South Korea with a 3-under 69.
--Field Level Media