A diverse field is set to descend upon the Home of Golf for The 150th Open at St. Andrews' Old Course.

A variety of categories are in place to determine field eligibility for The Open, aiming to capture the highest level of competition across a worldwide scope on both the professional and amateur level.

Here's a categorical breakdown of how the field for The 150th Open was built.

Check here for updates.

Past champions of The Open (aged 60 or under as of July 17, 2022)

Mark Calcavecchia
John Daly
Paul Lawrie
Tiger Woods
David Duval
Ernie Els
Padraig Harrington
Stewart Cink
Louis Oosthuizen
Darren Clarke
Phil Mickelson
Rory McIlroy
Zach Johnson
Henrik Stenson
Jordan Spieth
Francesco Molinari
Shane Lowry
Collin Morikawa

Top-10 finishers and ties at The 149th Open

Jon Rahm
Dylan Frittelli
Brooks Koepka
Mackenzie Hughes
Dustin Johnson
Robert MacIntyre
Scottie Scheffler

Top-50 on Official World Golf Ranking as of Week 21, 2022

Cameron Smith
Justin Thomas
Patrick Cantlay
Viktor Hovland
Sam Burns
Xander Schauffele
Hideki Matsuyama
Will Zalatoris
Matt Fitzpatrick
Billy Horschel
Joaquin Niemann
Abraham Ancer
Tony Finau
Sungjae Im
Tyrrell Hatton
Paul Casey
Bryson DeChambeau
Harris English
Max Homa
Cameron Young
Jason Kokrak
Kevin Kisner
Corey Conners
Kevin Na
Talor Gooch
Thomas Pieters
Tom Hoge
Patrick Reed
Harold Varner III
Seamus Power
Tommy Fleetwood
Adam Scott
K.H. Lee
Lucas Herbert
Russell Henley
Keegan Bradley
Cameron Tringale
Webb Simpson
Mito Pereira
Marc Leishman

Top-50 on Official World Golf Ranking as of Week 26, 2022

Aaron Wise
Brian Harman
Sebastian Munoz
Sepp Straka
Luke List
Si Woo Kim

Top-30 on 2021 DP World Tour Ranking

Min Woo Lee
Nicolai Hojgaard
Richard Bland
Alexander Bjork
Bernd Wiesberger
Guido Migliozzi
Dean Burmester
Jason Scrivener
Ian Poulter
Laurie Canter
Thomas Detry
Danny Willett
Justin Harding
Garrick Higgo
Justin Rose

Final Qualifying

David Carey
Robert Dinwiddie
Lars Van Meijel
Alex Wrigley
Barclay Brown
Richard Mansell
Oliver Farr
Marco Penge
Matthew Ford
Jamie Rutherford
Ronan Mullarney
Jack Floydd
Marcus Armitage
Sam Bairstow
Matthew Jordan
John Parry

Top 5 on 2022 DP World Tour Ranking (not otherwise exempt) at completion of BMW International Open

Pablo Larrazabal
Jordan Smith
Adri Arnaus
Sam Horsfield
Haotong Li

U.S. Open champions (2017-2022)

Gary Woodland

Masters champions (2017-2022)

Sergio Garcia

Top 30 on 2021 FedExCup standings

Erik van Rooyen

The 115th VISA Open de Argentina 2021 champion

Jorge Fernandez-Valdes

Playing members of 2021 Ryder Cup teams

Lee Westwood

Winner of 2021-22 PGA Tour of Australasia Order of Merit

Jediah Morgan

Winner of 2021-22 Sunshine Tour Order of Merit

Shaun Norris

2022 Asia-Pacific Diamond Cup champion

Shugo Imahira

Top-2 on 2021 Japan Golf Tour money list

Chan Kim
Takumi Kanaya

No. 1 position on cumulative 2022 Japan Golf Tour money list, not otherwise exempt

Kazuki Higa

2021 Senior Open champion

Stephen Dodd

2022 The Amateur champion

Aldrich Potgieter

2022 European Amateur champion

Filippo Celli

2021 Mark H. McCormack Medal winner (World Amateur Golf Ranking)

Keita Nakajima

2022 Latin America Amateur Championship winner

Aaron Jarvis

Open Qualifying Series

Thriston Lawrence
Zander Lombard
Ashley Chesters
Sadom Kaewkanjana
Yuto Katsuragawa
Joohyung Kim
Sihwan Kim
Dimitrios Papadatos
Ben Campbell
Matthew Griffin
Chris Kirk
Scott Vincent
Anthony Quayle
Brad Kennedy
Justin De Los Santos
Victor Perez
Ryan Fox
Adrian Meronk
Keith Mitchell
Wyndham Clark
Minkyu Kim
Mingyu Cho
John Catlin
Fabrizio Zanotti
David Law
J.T. Poston
Christiaan Bezuidenhout
Emiliano Grillo
Kurt Kitayama
Brandon Wu
Jamie Donaldson

Alternates after deadline (from Official World Golf Ranking)

Sahith Theegala