The groups are set for the WGC-Dell Technologies Match Play this weekend at Austin Country Club.
Tiger Woods, a three-time winner of the event, is in a group with Patrick Cantlay, Brandt Snedeker, and Aaron Wise.
A star-studded Group 12 features Jason Day, Phil Mickelson, Henrik Stenson, and Jim Furyk.
Groups were decided by a random draw, during which one player from each of the four pools below was selected. The pools were based on world rankings.
Pool A: Seeds 1-16 Pool B: Seeds 17-32 Pool C: Seeds 33-48 Pool D: Seeds 49-64
Group 1
Player
Seed
Dustin Johnson
1
Hideki Matsuyama
24
Brendan Grace
40
Chez Reavie
55
Group 2
Player
Seed
Justin Rose
2
Gary Woodland
22
Eddie Pepperell
34
Emiliano Grillo
53
Group 3
Player
Seed
Brooks Koepka
3
Alex Noren
27
Haotong Li
36
Tom Lewis
60
Group 4
Player
Seed
Rory McIlory
4
Matthew Fitzpatrick
32
Justin Harding
47
Luke List
64
Group 5
Player
Seed
Justin Thomas
5
Keegan Bradley
31
Matt Wallace
33
Lucas Bjerregaard
50
Group 6
Player
Seed
Bryson DeChambeau
6
Mark Leishman
17
Kiradech Aphibarnrat
39
Russell Knox
59
Group 7
Player
Seed
Francesco Molinari
7
Webb Simpson
21
Thorbjorn Olesen
45
Satoshi Kodaira
63
Group 8
Player
Seed
Jon Rahm
8
Matt Kuchar
23
J.B. Holmes
43
Si-Woo Kim
54
Group 9
Player
Seed
Xander Schauffele
9
Rafa Cabrera-Bello
29
Tyrell Hatton
35
Lee Westwood
62
Group 10
Player
Seed
Paul Casey
10
Cameron Smith
25
Charles Howell III
42
Abraham Ancer
58
Group 11
Player
Seed
Tommy Fleetwood
11
Louis Oosthuizen
19
Kyle Stanley
41
Ben An
49
Group 12
Player
Seed
Jason Day
12
Phil Mickelson
20
Henrik Stenson
37
Jim Furyk
52
Group 13
Player
Seed
Tiger Woods
13
Patrick Cantlay
18
Brandt Snedeker
44
Aaron Wise
61
Group 14
Player
Seed
Tony Finau
14
Ian Poulter
30
Kevin Kisner
48
Keith Mitchell
56
Group 15
Player
Seed
Bubba Watson
15
Jordan Spieth
28
Billy Horschel
38
Kevin Na
57
Group 16
Player
Seed
Patrick Reed
16
Sergio Garcia
26
Shane Lowry
46
Andrew Putnam
51
The tournament kicks off Wednesday, March 27. Each player will go head to head against every other player in their group, with the 16 winners moving on to sudden-death play beginning Saturday.