AJGA National Headquarters will be closed for a week starting on Saturday, September 6, 2025.
The office will reopen on Monday, September 15, 2025, at 8 a.m. ET.
All proof-of-age submissions, emails, and voicemails will be addressed upon our return on September 15.
adidas logo - nav bar - 134x90.png
Joshua Koo
Cerritos, Calif.
Graduation: 2022
Letter of Intent: University of Washington
TOURNAMENT RESULTS
Place Start Date Event Scores Total Points
This player has no results in the current ranking period.
RELATED CONTENT
Ellen Jun girls qualifier medalist flag -2021- AJGA Junior at Ruby Hill presented by Visit Tri-Valley.JPG
Qualifier - AJGA Junior at Ruby Hill presented by Visit Tri-Valley
Jun medals in Girls Division
Koo medals to qualify into Boys Division
1 Min Read
Angela (Yilin) Liu Girls Champion-FOX Sports Junior at Mission Viejo-2021.JPG
FOX Sports Junior at Mission Viejo
Liu returns to AJGA winner's circle
Hirayama wins Boys Division by two
1 Min Read
Angela Liu Tee Shot-FOX Sports Junior at Mission Viejo-2021.JPG
FOX Sports Junior at Mission Viejo
Two players tied atop leaderboard in Girls Division
Koo, Hirayama tied for the lead in Boys Division
1 Min Read
Joshua Koo - Fox Sports Jr at Mission Viejo - 2021.JPG
FOX Sports Junior at Mission Viejo
Koo snags lead after round one
Park tops Girls Division leaderboard
1 Min Read