Atthaya 'Jeeno' Thitikul WITB: Mizuho Americas Open Winner 2026

All photos courtesy of Callaway Golf

Callaway Tour Notes 

Atthaya "Jeeno" Thitikul claimed her 2^nd win of 2026 with Quantum Triple Diamond and Chrome Tour X in the bag. Plus, Odyssey is the #1 Putter at another PGA TOUR Signature Event.

Photo:  Atthaya Thitikul WITB: Mizuho Americas Open 

Atthaya "Jeeno" Thitikul earnt her 9^th career LPGA win. Still just 23-years-old, all of her LPGA wins to date have come as a Callaway staffer. Her bag includes a Quantum Triple Diamond Driver and a new Chrome Tour X Golf Ball. Here's a look at her full setup for this week:

• Quantum Triple Diamond Driver (9°) - Ventus Red TR 5S Shaft 
• Quantum Max Fairway Wood (15°) - Ventus Blue TR 6S Shaft 
• Apex UW (19°) - Diamana GT 6S Shaft 
• X Forged Star Irons (4-5) - KBS PGI 90 Shafts 
• X Forged Irons (6-PW) - KBS PGI 90 Shafts 
• Opus SP Wedges (48°, 54°, 58°) - Shimada HW 120 wedge
• Odyssey White Hot Versa #7 Putter 
• A Chrome Tour X Golf Ball 

Photo: Jeeno's Quantum Triple Diamond Driver

The Quantum lineup is led by Callaway's revolutionary new Tri-Force Face that’s designed for exceptional speed, distance, and spin consistency. Tri-Force layers 3 distinct materials - Titanium, Poly Mesh, and Carbon Fiber -  into a fully integrated speed system. 

The ultra-thin, high-strength Titanium is designed for pure speed, the Poly Mesh is a military-grade polymer that binds the layers, and Carbon Fiber reinforces the face structure, allowing for greater flex and faster recovery. This advanced multi-material construction has never been used in a driver face before. 

Jeeno first put her Quantum Triple Diamond gamer into play in December at the Grant Thornton Invitational and it's been in her bag ever since. She hit 79% of fairways at the Mizuho Americas Open and claimed victory ahead of Callaway staffer Ruoning "Ronnie" Yin, who took out 2^nd place, gaming a Quantum Triple Diamond Driver.

Photo:  Thitikul Is Thriving With Chrome Tour X

Jeeno's bag also includes a new Chrome Tour X Golf Ball. This new 2026 lineup is engineered to “believe in faster” with a revolutionary new Tour Fast Mantle, combined with incredible consistency for optimised performance. 

The Tour Fast Mantle features a higher flex modulus, created to increase ball speed by acting like a stiffer spring at impact; it’s the first time that this material has been used in a golf ball. This advanced core/layer system is faster than previous materials used in a Callaway design. 

This lineup also features Callaway’s Seamless Tour Aero with an Optimised Hybrid Aero Pattern that provides incredible distance and flight consistency. Chrome Tour X is for the player looking for maximum speed off the tee and a mid-high spin profile through the bag for maximum workability.

Photo: Odyssey Is The #1 Putter At Quail Hollow

Odyssey has been the #1 Putter on every Tour for over 26 years and counting, and it was the #1 Putter at the Truist Championship.