1991 Masters: Ian Woosnam wins at Augusta National Golf Club

Ian Woosnam won the 1991 Masters at Augusta National Golf Club with 277 (−11), by 1 stroke over Jose Maria Olazabal.

Updated October 23, 2026

See 1991 in the Masters room, or every year on the Masters winners list.

Dates: April 11, 1991 to April 14, 1991
Course: Augusta National Golf Club, Augusta, Georgia
Edition: 55th Masters
Par: 72 · 6,905 yards
Made the cut: 57 (cut at 146)
Purse: $1,350,000 · winner's share $243,000
Champion: Ian Woosnam · age 33 · Wales · born Oswestry, Shropshire, England
Champion's title: 1st Masters title
Winning score: 72-66-67-72 = 277 (−11) · won by 1 stroke
Runner-up: Jose Maria Olazabal (278, −10)
54-hole leader: Ian Woosnam (205, −11)
Caddie: Phillip Morby
Low amateur: Phil Mickelson (290)

Winner and runner-up

Pos.	Player	R1	R2	R3	R4	Total	To par
1	Ian Woosnam	72	66	67	72	277	−11
2	Jose Maria Olazabal	68	71	69	70	278	−10

What happened at the 1991 Masters

Woosnam holed a par putt on the 72nd hole to win by one and became the first Welshman to win a major championship.

Amateur Phil Mickelson's opening 69 was the first under-par round at the Masters by a left-handed golfer, and he finished as low amateur.

How this was built

Every value is shown as recorded in GNN's The Masters data. A value no source confirmed is left out; nothing is estimated. Where sources disagree, the organizer's own record is used.

Data: masters.json (the Masters room's data).

1991 Masters: Ian Woosnam wins at Augusta National Golf Club

Winner and runner-up

What happened at the 1991 Masters

How this was built

Sources