Jeeno Thitikul’s birthday 63 sends Thai fans into orbit and positions the world No. 1 for a historic wire-to-wire home victory, but Somi Lee’s career-best 61 raises the bar for a weekend shootout at Siam Country Club.
From Two Back to Three Behind: The Numbers Behind the Charge
Thitikul’s second-round 63 is the joint-lowest competitive round of her LPGA career and shaved four shots off par-72 Old Course en route to a 36-hole total of 130. The arithmetic is simple: she erased a two-stroke overnight deficit, surged into red figures across all four par-5s, then watched Somi Lee detonate a 61 to build a fresh three-shot cushion.
- Front-nine fireworks: Birdies on 4-5-7-8 plus a 15-footer for eagle on the par-5 9th = 28, tied for the lowest nine in tournament history.
- Back-nine reality check: Six straight pars from 12-17 kept her from replicating Lee’s birdie binge, but the closing 18th birdie salvaged momentum going into moving day.
- Scramble rate: Thitikul hit 12/14 fairways, 15/18 greens and needed only 25 putts—her lowest putting round since the 2025 CME Group Tour Championship.
Why Home Soil Changes Everything for Jeeno
Thailand has produced major champions—Ariya Jutanugarn owns two—but never a homegrown winner at this event. Thitikul, born 75 km up the coast in Ratchaburi, grew up looping Siam Country Club as a junior. She’s been chasing this emotional trophy since turning pro at 15. Friday’s roar after every birdie felt closer to a Premier League atmosphere than a typical LPGA Thursday gallery.
Historical pressure point: Ariya’s 2016 win at the Yokohama Tire LPGA Classic broke a national drought; Jeeno’s quest is to end one on Thai soil. The weight of that narrative is why her 63 felt like a 59—and why Sunday’s tee sheet could resemble a World Cup final.
Somi Lee’s 61: A Statement Round That Resets the Leaderboard
Lee, a 24-year-old Seoul native chasing her first LPRA victory, carded 11 birdies and the eagle 2 on 15 that ricocheted off the front bunker and dove for a tap-in. Her 127 total is the lowest 36-hole mark in tournament history, eclipsing Lydia Ko’s 129 in 2023.
“I had the best score of my life today,” Lee admitted, voice cracking. “I’m trying not to celebrate too hard—there’s still a mountain to climb.”
Translation: she knows Thitikul’s closing pedigree (15-under final 54 holes last year) and expects a head-to-head sprint down the par-5s on the weekend.
Ko & Iwai Lurk with Pedigree and Momentum
New Zealand’s Lydia Ko (64) and Japan’s Chizzy Iwai (bogey-free 62) sit tied at 13-under, four back. Ko is a three-time winner on Asian swings and sports the hottest iron play on tour (72% GIR this season). Iwai’s putter, meanwhile, has been nuclear—she leads the LPGA in strokes gained on the greens since January.
- Ko’s stat to watch: 7/8 sand saves this week; her short-game wizardry can erase deficits fast on Sunday.
- Iwai’s edge: Gained +4.8 strokes putting Friday; no player within the top 10 is putting better through 36 holes.
The Weekend Forecast: Heat, Crowds, and a Potential Playoff
MetService projects 33 °C (91 °F) heat index and swirling 12-mph breezes off the Gulf of Thailand—exactly the recipe that turned last year’s finish into a birdie bloodbath where the winning score ballooned to 22-under. If wind stays mild, expect Sunday scoring average to dip below 68, inviting a five-player shootout.
Thitikul’s blueprint: replicate the driver-wedge aggression she unleashed on holes 7-9, then lean on a flat-stick that has already circled 13 birdies this week.
What This Means for Asia Swing Points and Player-of-Year Race
The Honda Thailand kicks off a lucrative three-week Asian slate worth $10.5 million in purses and critical CME Globe points. A win vaults Thitikul to 1,100 points—almost double nearest rival Nelly Korda—and plants her as the clear POY front-runner by April. For Lee, a breakthrough victory would crack the top 40 in the Race to the CME, virtually locking her into the season-ending Tour Championship.
Final Prediction: Expect an 18-Hour Birdie Festival Beginning Saturday
Expect both leaders to reach 20-under by the turn Sunday, forcing the chasing pack to flirt with 60 to stay relevant. Thitikul’s comfort on Siam’s Bermuda greens and the emotional lift of a birthday-week home crowd gives her the narrowest psychological edge, but Lee’s fearless iron play and Ko’s clutch factor guarantee a playoff is more likely than not.
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