championships
back
championships
U.S. Women's Open
U.S. Open
U.S. Senior Open
U.S. Senior Women's Open
U.S. Women's Amateur Four-Ball
U.S. Amateur Four-Ball
Curtis Cup
U.S. Girls' Junior
U.S. Junior Amateur
U.S. Women's Amateur
U.S. Amateur
U.S. Senior Amateur
U.S. Mid-Amateur
U.S. Senior Women's Amateur
U.S. Women's Mid-Amateur
Walker Cup
more
Schedule & Tickets
Apply to Play
Records & Milestones
WORLD AMATEUR GOLF RANKINGS
Video
PLAYING
back
PLAYING
RULES
RULES
back
RULES
Rules and Decisions
Education
2019: Golf's New Rules
Amateur Status
Handicapping
Handicapping
back
Handicapping
The USGA Handicap System™
Course Handicap™ Calculator
Course Rating and Slope Database™
World Handicap System™
Equipment
Equipment
back
Equipment
Equipment Rules
Club & Ball Lists
Community
Community
back
Community
Drive, Chip and Putt
The First Tee
LPGA/USGA Girls Golf
Adaptive Golf
Allied Golf Associations
PLAY9
Advancing
back
Advancing
COURSE CARE
Research, Science & Innovation
Distance Insights
STEM
Learn More
Golf faces challenges and opportunities that are vital to its long-term health. See what the USGA is doing to ensure a strong future for the game.
USGA Water Resource Center
Challenge Statement: Inspiration for the Golf Industry
Celebrating
back
Celebrating
USGA GOLF MUSEUM
AWARDS & HONORS
Learn More
The USGA promotes and conserves the true spirit of the game of golf as embodied in its ancient and honorable traditions. It acts in the best interests of the game for the continued enjoyment of those who love and play it.
Great Moments: Tiger and The Global Game
Design Philosophy From Female Golf Course Architects
USGA FOUNDATION
back
USGA FOUNDATION
USGA FOUNDATION HOME
USGA MEMBERS HOME
JOIN THE USGA
RENEW
MAKE A DONATION
tickets
back
tickets
U.S. Open
U.S. Women's Open
U.S. Senior Open
U.S. Senior Women's Open
U.S. Amateur
Shop
back
Shop
OFFICIAL MERCHANDISE
USGA PUBLICATIONS
PHOTO STORE
Shop Apparel
Shop Photos
My account
back
My Account
profile
log out
more
championships
Video
PLAYING
Advancing
Celebrating
USGA FOUNDATION
tickets
Shop
JOIN THE USGA
Become a USGA Member and join a community of engaged golfers who experience the satisfaction of supporting the game. USGA Members enjoy access to exclusive benefits, content, offers and more.
REGISTER
SIGN IN
In Gee Chun: Pre-Championship Press Conference,