Atthaya Thitikul has officially supplanted Jin Young Ko as the No. 1 player in the world. Thitikul, 19, becomes the second teen to ascend to No. 1, following in the footsteps of Lydia Ko, who was 17 years, 9 months and 9 days when she reached the top spot in 2015.
Ko, who has held the top spot since Jan. 31, 2022, first became No. 1 in April 2019 and has spent 152 total weeks atop the rankings. Lorena Ochoa holds the record at 158 weeks.
