PORTLAND, Ore. — For the second year in a row, the final four at the U.S. Women's Amateur consist of all junior golfers. Three Americans and one representative of France will play in Saturday's semifinal matches at Portland Golf Club.

One golfer, Hannah O'Sullivan of Paradise Valley, Ariz., is a returnee from last year's group of young U.S. Women's Amateur semifinalists. The other three are no strangers to being on the big stage.

Let's meet the four golfers left standing:

Sierra Brooks
The Wake Forest commit captured the Women’s Southern Amateur and Women's South-Atlantic Amateur earlier this year, and was named USA Today’s High-School Golfer-of-the-Year. After coming up just short of her home state (Florida) state championship title as a freshman, she grabbed the elusive title in the fall of 2014 as a junior. Brooks also is headed to China later this month as part of a USGA contingent to take part in the Trans-Pacific Junior Golf Match, along with fellow quarterfinalists Hannah O’Sullivan and Mika Liu. Brooks faced top collegiate golfer Bronte Law in the quarterfinals and handled the UCLA golfer from England by a count of 5-and-3.

Bethany Wu
Wu, of Diamond Bar, Calif., was runner-up this year to her semifinal competitor at the Women's South-Atlantic Amateur. She faced another runner-up finish at this year's North & South Amateur where she was beat by Bailey Tardy in the final. She was looking for redemption this year as the UCLA commit earned medalist honors last year at Nassau Country Club before being upset in the first round. Wu defeated fellow Californian Mika Liu of Beverly Hills 5-and-4 on Friday, getting her round rolling with two birdies in the first three holes.

Hannah O'Sullivan
The 17-year-old Arizona native entered Friday's quarterfinals have played the fewest holes in match play of any player still alive. She has also had an impressive 2015 season thus far, winning a Symetra Tour event in Arizona before claiming both the Rolex Girls Championship and Rolex Tournament of Champions, two American Junior Golf Association major invitationals. O'Sullivan was 2-down to SMU's Lindsey McCurdy in her quarterfinal match, but won holes 11 through 14 to flip the switch and eventually close out the Texan 1-up.

Mathilda Cappeliez
Cappeliez, 17 of France, brought a wealth of international experience into this week’s championship. A member of the French National Team, she helped her country win the 2015 European Team Championship. She also made the cut in last year’s U.S. Women’s Open at Pinehurst No. 2. She never trailed on Friday against University of Tennessee golfer Anna Newell, winning 5-and-4 with a par on the 14th hole.

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