Records

Age

Youngest Champion (years / months / days)
15/6/28 — Tiger Woods (1991)
15/7/20 — Sihwan Kim (2004)
15/8 — Mike Brannan (1971)
15/9/28 — Cory Whitsett (2007)
15/10/10 — Henry Liaw (2001)

Youngest Competitor
12/2/15 — Matthew Pierce Jr. (2001)
12/10/6 — Verner Stanley (1952)
12/10/13 — Kevin Na (1996)

Youngest to Advance to Match Play (Since 1990)
13 years, 3 months, 6 days — Jonathan Moore, 1998
13 years, 7 months, 10 days — D.J. Trahan, 1994
13 years, 10 months, 29 days — David Flynn, 2006

Youngest Finalists
Sihwan Kim (15) vs. David Chung (14), 2004
Cory Whitsett (15) vs. Anthony Paolucci (14), 2007

Most Appearances in U.S. Junior Amateur
5 — John Konsek (1953-57)
5 — Jack Nicklaus (1953-57)
5 — Robert Kirouac (1956-60)
5 — Travis Whisman (1995-99)
5 — James Vargas (1997-2001)

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Course

Longest Course
7,083 yards — Singletree G.C., Edwards, Colo., 1987

Shortest Course
6,337 yards — Purdue University Golf Course (South Course), West Lafayette, Ind., 1955

Most Times Host Club of Championship
2 — Manor C.C., Rockville, Md., 1957, 1971
2 — Wilmington (Del.) C.C. (South Course) (1965, 1978)
2 — Yale University G.C., New Haven, Conn. (1952, 1988)
2 — Singing Hills G.C., El Cajon, Calif. (1973, 1989)

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Entries

Largest
4,508 (1999)

Smallest
416 (1949)

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Champions

Most Championships Won
3 — Tiger Woods (1991, 1992, 1993)

Most Consecutive Championships Won
3 — Tiger Woods (1991, 1992, 1993)

Most Times in Final
3 — Tiger Woods (1991, 1992, 1993)

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Match Play

Fewest match-play holes needed by champion (since six-match format change in 1964)(36-hole final began in 2005)
87 — Tiger Woods, Wollaston G.C., Milton, Mass., 1992
89 — Matthew Rosenfeld, Pumpkin Ridge G.C. (Witch Hollow and Ghost Creek), North Plains, Ore., 2000
90 — Gary Koch, Athens (Ga.) C.C., 1970
91 — Jason Widener, Yale University G.C., New Haven, Conn., 1988

Most match-play holes needed by champion
108 — Shane McMenamy, Forest Highlands G.C., Flagstaff, Ariz., 1996
107 — Charlie Beljan, Atalanta A.C. (Highlands Course), Duluth, Ga., 2002
105 — Mathew Todd, Lake Merced G. & C.C., Daly City, Calif., 1990
104 — Brett Quigley, Singletree G.C., Edwards, Colo., 1987
104 — Henry Liaw, Oak Hills C.C., San Antonio, Texas, 2001

Largest Winning Margin, 18-Hole Match
9 and 8 — Donald M. Bisplinghoff d. Eric Jonas, fourth round, Yale G.C., New Haven, Conn., 1952
9 and 8 — Ronald L. Wright d. Gary E. Allen, first round, Stanford (Calif.) University G.C., 1959
9 and 8 — Richard Meissner d. John Diesing, Jr., second round, Lochmoor Club, Grosse Pointe Woods, Mich., 1962
9 and 8 — Jack Renner d. Jim Russell, first round, Brookhaven C.C., Dallas, Texas, 1972
9 and 8 — Mitch Allenspatch d. Michael Frey, second round, Ohio State University G.C., (Scarlet Course), Columbus, Ohio, 1977

Largest Winning Margin, Semifinals
7 and 6 — Richard Scott over Andrew Dressler, Oak Hills C.C., San Antonio, Texas, 2001

Largest Winning Margin, Final
8 and 7 — Cory Whitsett d. Anthony Paolucci, Boone Valley G.C., 2007
8 and 6 — Gary Koch d. Mike Nelms, Athens C.C., Athens, Ga., 1970
6 and 5 — Larry Beck d. David C. Leon, Manor C.C., Rockville, Md., 1957
6 and 5 — Eddie Pearce d. W. B. Harman Jr., The Country Club, Brookline, Mass., 1968

Longest 18-Hole Match
28 holes — Michael W. Eiserman d. Patrick Honeycutt, first round, Milburn G. & C.C., Overland Park, Kan., 1960
26 holes — Casey Wittenberg d. Daneil Im, third round, Atlanta A.C., Duluth, Ga., 2002
25 holes — Forrest Fezler d. Robert Goldman, first round, Twin Hills G. & C.C., Oklahoma City, Okla., 1967
25 holes — Arthur E. Burke III, d. Richard Adams, first round, The Country Club, Brookline, Mass., 1968

Longest 18-HoleFinal Match (1948-2004)
21 holes — Donald Hurter d. Keith Banes, Wilmington (Del.) C.C. (South Course), 1978
20 holes — Jack Renner d. Mike Brannan, Singing Hills C.C., El Cajon, Calif., 1973
20 holes — Charlie Beljan d. Zac Reynolds, Atlanta A.C., Duluth, Ga., 2002

Most Extra-Hole Matches in Championship
11 — Oak Hills C.C., San Antonio, Texas, 2001

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Stroke Play

Lowest Score, 9 Holes
30 — John Popeck, Longmeadow (Mass.) C.C., 2005
30 — James Vargas, Oak Hills C.C., San Antonio, Texas, 2001
31 — Donald Bisplinghoff, Yale University G.C., New Haven, Conn., 1952
31 — James Oh, Country Club of York (Pa.), 1999
31 — Eddie Lee, Pumpkin Ridge G.C. (Ghost Creek back nine), North Plains, Ore., 2000
31 — Brian Harman, second nine, The Olympic Club, San Francisco, Calif., 2004
31 — Tommy Chunghao Mou, second nine, second round, Rancho Santa Fe G.C., Rancho Santa Fe, Calif., 2006

Lowest Score, 18 Holes
64 — Joe Monte, Longmeadow (Mass.) C.C., 2005
65 — J.C. Deacon, Country Club of York (Pa.), 1999
65 — Scotty Campbell, Oak Hills C.C., San Antonio, Texas, 2001
65 — James Vargas, Oak Hills C.C., San Antonio, Texas, 2001
65 — Sam Saunders, Longmeadow (Mass.) C.C., 2005
66 — Kurt Beck, Pine Lake G.C., Orchard Lake, Mich., 1980
66 — Brad Lehmann, Yale University G.C., New Haven, Conn., 1988
66 — Rob McMillan, Waverley Country Club, Portland, Ore., 1993
66 — Aaron Baddeley, Conway Farms G.C., Lake Forest, Ill., 1998
66 — James Oh, Country Club of York (Pa.), 1999
66 — Sonny Nimkhum, Country Club of York (Pa.), 1999
66 — Jay Choi, Pumpkin Ridge G.C. (Ghost Creek), North Plains, Ore., 2000
66 — Chris Gilliland, Atlanta A.C., Duluth, Ga., 2002
66 — Matt Savage, Columbia C.C., Chevy Chase, Md., 2003
66 — Brian Harman, The Olympic Club, San Francisco, Calif., 2004
66 — James White, Boone Valley G.C., Augusta, Mo., 2007

Lowest Score, 36 Holes
132 — James Vargas, Oak Hills C.C., San Antonio, Texas, 2001
133 — Brian Harman, The Olympic Club, San Francisco, Calif., 2004
133 — Sam Saunders, Longmeadow (Mass.) C.C., 2005
134 — Sonny Nimkhum, Country Club of York (Pa.), 1999
135 — Aaron Baddeley, Conway Farms G.C., Lake Forest, Ill., 1998
135 — James Oh, Country Club of York (Pa.), 1999
135 — Camilo Villegas, Country Club of York (Pa.), 1999
135 — Scotty Campbell, Oak Hills C.C., San Antonio, Texas, 2001

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Miscellaneous

Most Times Medalist
2 — Willie Wood (1977, 1978)
2 — Tiger Woods, (1991, 1992)

Holes-In-One (10)
Terry Thomas, 165-yard 14th hole, Southern Hills C.C., Tulsa, Okla., 1953
Lloyd S. Monroe, 175-yard 5th hole, Taconic G.C., Williamstown, Mass., 1956
Terry Hurst, 187-yard 4th hole, Lochmoor Club, Grosse Pointe, Mich., 1962
Brian Gay, 158-yard 11th hole, Singletree G.C., Edwards. Colo., 1987
Ben Taylor, 171-yard 17th hole, Wollaston G.C., Milton, Mass., 1992
Brady Stockton, 152-yard 7th hole, Fargo (N.D.) C.C., 1995
Chanin Puntawong, 181-yard 7th hole, Atlanta A.C., Duluth, Ga., 2002
Andrew DiBitetto, 212-yard 4th hole, Columbia C.C., Chevy Chase, Md., 2003
Sam Saunders, 132-yard, 4th hole, Longmeadow (Mass.) C.C., 2005
Cory Whitsett, 144-yard, 7th hole, Rancho Santa Fe (Calif.) G.C., 2006