TULSA, Okla. (AP) — Canada's Naomi Ko won two matches Thursday in the U.S. Girls' Junior to advance to the quarterfinals at Tulsa Country Club. The 17-year-old Ko, from Victoria, British Columbia, beat stroke-play medalist Megan Khang of Rockland, Massachusetts, 1 up in the round of 32, and topped Alyaa Abdulghany of Newport Beach, California, 2 and 1 in the afternoon round of 16. Ko will face South Korea's Eun Jeong Seong on Friday morning.