2010 U.S. Amateur: Peter Uihlein wins at Chambers Bay
Peter Uihlein won the 2010 U.S. Amateur at Chambers Bay in University Place, Washington, beating David Chung 4 & 2 in the final.
Updated October 22, 2026
Walk this draw in the U.S. Amateur room.
- Edition
- 110th
- Dates
- August 23, 2010 to August 29, 2010
- Course
- Chambers Bay, University Place, Washington
- Stroke-play co-host
- The Home Course, DuPont, Wash.
- Format
- stroke-play qualifying (36 holes) + match play
- Champion
- Peter Uihlein · age 21 · United States · Oklahoma State University
- Champion's title
- 1st U.S. Amateur
- Runner-up
- David Chung · age 20
- Final
- 4 & 2
- Losing semifinalists
- An Byeong-hun and Patrick Cantlay
- Stroke-play medalist
- Jeff Wilson (136)
- Defending champion
- An Byeong-hun · lost in semifinals
- Entries
- 6,485
What happened at the 2010 U.S. Amateur
Final: Uihlein chipped in for eagle from 40 feet on the 18th hole of the morning round to restore a 2-up lead and beat David Chung 4 and 2 on his 21st birthday.
Semifinal: Chung overcame a 3-hole deficit to beat defending champion Byeong-Hun An, the first defending champion to reach the semifinals since Tiger Woods.
The draw
Every match is recorded through the round of 64.
The final, 2010 U.S. Amateur
| Winner | Beaten | Result | |
|---|---|---|---|
| Peter Uihlein | def. | David Chung | 4 & 2 |
Semifinals, 2010 U.S. Amateur
| Winner | Beaten | Result | |
|---|---|---|---|
| David Chung | def. | An Byeong-hun | 1 up |
| Peter Uihlein | def. | Patrick Cantlay | 4 & 3 |
Quarterfinals, 2010 U.S. Amateur
| Winner | Beaten | Result | |
|---|---|---|---|
| David Chung | def. | Scott Langley | 1 up |
| An Byeong-hun | def. | Max Homa | 1 up |
| Patrick Cantlay | def. | Jed Dirksen | won on 20th hole |
| Peter Uihlein | def. | Morgan Hoffmann | 1 up |
Round of 16, 2010 U.S. Amateur
| Winner | Beaten | Result | |
|---|---|---|---|
| David Chung | def. | Brad Benjamin | 2 & 1 |
| Scott Langley | def. | Ryan McCarthy | 6 & 4 |
| Max Homa | def. | Harris English | 4 & 3 |
| An Byeong-hun | def. | Scott Strohmeyer | 3 & 2 |
| Patrick Cantlay | def. | Connor Arendell | 1 up |
| Jed Dirksen | def. | Joseph Bramlett | won on 19th hole |
| Morgan Hoffmann | def. | Alex Ching | 4 & 2 |
| Peter Uihlein | def. | John Hahn | won on 19th hole |
Round of 32, 2010 U.S. Amateur
| Winner | Beaten | Result | |
|---|---|---|---|
| Brad Benjamin | def. | Amory Davis | 3 & 2 |
| David Chung | def. | Richard Berkmeyer | 4 & 3 |
| Ryan McCarthy | def. | Brent Martin | 3 & 2 |
| Scott Langley | def. | Patrick Reed | won on 19th hole |
| Max Homa | def. | Carter Newman | 7 & 6 |
| Harris English | def. | Eugene Wong | 2 & 1 |
| Scott Strohmeyer | def. | Justin Thomas | won on 19th hole |
| An Byeong-hun | def. | Alex Shi Yup Kim | 4 & 3 |
| Patrick Cantlay | def. | Blayne Barber | 3 & 2 |
| Connor Arendell | def. | Chan Kim | 6 & 5 |
| Joseph Bramlett | def. | Tyler Sheppard | 1 up |
| Jed Dirksen | def. | Hudson Swafford | 2 & 1 |
| Alex Ching | def. | Patrick Rodgers | 3 & 1 |
| Morgan Hoffmann | def. | Richard Werenski | 6 & 4 |
| Peter Uihlein | def. | Emiliano Grillo | 2 up |
| John Hahn | def. | Arnond Vongvanij | 5 & 4 |
Round of 64, 2010 U.S. Amateur
| Winner | Beaten | Result | |
|---|---|---|---|
| Amory Davis | def. | Jeff Wilson | 3 & 1 |
| Brad Benjamin | def. | Tommy McDonagh | 6 & 5 |
| David Chung | def. | Mike McCoy | 3 & 2 |
| Richard Berkmeyer | def. | Conrad Shindler | 2 up |
| Ryan McCarthy | def. | Daniel Bowden | 5 & 4 |
| Brent Martin | def. | Drew Kittleson | won on 19th hole |
| Scott Langley | def. | Tim Jackson | won on 19th hole |
| Patrick Reed | def. | Daniel Zuluaga | 2 & 1 |
| Carter Newman | def. | Andres Echavarria | 2 & 1 |
| Max Homa | def. | T.J. Bordeaux | 2 & 1 |
| Eugene Wong | def. | Joe Saladino | won on 19th hole |
| Harris English | def. | Jarred Bossio | 2 & 1 |
| Justin Thomas | def. | Bobby Leopold | 6 & 5 |
| Scott Strohmeyer | def. | Cameron Peck | 2 & 1 |
| Alex Shi Yup Kim | def. | Todd White | 1 up |
| An Byeong-hun | def. | David Dannelly | 3 & 2 |
| Patrick Cantlay | def. | Brad Shaw | 2 & 1 |
| Blayne Barber | def. | Kevin Tway | 1 up |
| Connor Arendell | def. | Eric Steger | 2 up |
| Chan Kim | def. | Nick Taylor | 4 & 2 |
| Joseph Bramlett | def. | Mike Miller | 4 & 3 |
| Tyler Sheppard | def. | Scott Harvey | 4 & 2 |
| Hudson Swafford | def. | Harry Rudolph III | won on 19th hole |
| Jed Dirksen | def. | Michael Morrison | 6 & 5 |
| Patrick Rodgers | def. | Ricky Stout | 3 & 2 |
| Alex Ching | def. | Denny McCarthy | 2 & 1 |
| Morgan Hoffmann | def. | Albin Choi | 2 up |
| Richard Werenski | def. | Gunner Wiebe | 2 & 1 |
| Emiliano Grillo | def. | Eric Chun | 4 & 2 |
| Peter Uihlein | def. | Cheng Tsung Pan | 2 & 1 |
| Arnond Vongvanij | def. | Nick MacDonald | won on 19th hole |
| John Hahn | def. | Andrea Pavan | 2 & 1 |
How this was built
Every value is shown as recorded in GNN's U.S. Amateur data set (research collected through October 20, 2026). "unknown" means no source confirmed it; nothing is estimated. Where sources disagree, the USGA's own record is used.
Data: us-amateur.json.