The first and second rounds of the 153rd Open Championship at Royal Portrush will begin in pairings. Here are the tee times:
All times ET
(a) denotes amateur
First round
1:35 a.m. -- Padraig Harrington, Nicolai Højgaard, Tom McKibbin
1:46 a.m. -- Louis Oosthuizen, Guido Migliozzi, K.J. Choi
1:57 a.m. -- Cameron Smith, Marco Penge, Justin Hastings (a)
2:08 a.m. -- Jason Day, Taylor Pendrith, Jacob Skov Olesen
2:19 a.m. -- Phil Mickelson, Daniel van Tonder, Ryan Peake
2:30 a.m. -- Max Greyserman, Byeong Hun An, Niklas Norgaard
2:41 a.m. -- Jordan Smith, Haotong Li, Dustin Johnson
2:52 a.m. -- Darren Clarke, Davis Riley, Lucas Herbert
3:03 a.m. -- Kevin Yu, Julien Guerrier, Mikiya Akutsu
3:14 a.m. -- Thomas Detry, Chris Gotterup, Lee Westwood
3:25 a.m. -- Patrick Cantlay, Cameron Young, Mackenzie Hughes
3:36 a.m. -- Thorbjørn Olesen, Matthew Jordan, Filip Jakubcik (a)
3:47 a.m. -- Henrik Stenson, Stephan Jaeger, Sebastian Soderberg
4:03 a.m. -- Kristoffer Reitan, Martin Couvra, Adrien Saddier
4:14 a.m. -- Takumi Kanaya, Justin Walters, Bryan Newman (a)
4:25 a.m. -- Hideki Matsuyama, Ryan Fox, Matt Fitzpatrick
4:36 a.m. -- Sepp Straka, Ben Griffin, Akshay Bhatia
4:47 a.m. -- Sam Burns, Aldrich Potgieter, Brooks Koepka
4:58 a.m. -- Xander Schauffele, J.J. Spaun, Jon Rahm
5:09 a.m. -- Shane Lowry, Collin Morikawa, Scottie Scheffler
5:20 a.m. -- Corey Conners, Wyndham Clark, Tom Hoge
5:31 a.m. -- Denny McCarthy, Nico Echavarria, Patrick Reed
5:42 a.m. -- Matthias Schmid, Ryggs Johnston, Richard Teder (a)
5:53 a.m. -- Dylan Naidoo, Darren Fichardt, John Axelsen
6:04 a.m. -- Justin Suh, Oliver Lindell, Jesper Sandborg
6:15 a.m. -- Sadom Kaewkanjana, Riki Kawamoto, Sampson Zheng
6:26 a.m. -- Stewart Cink, Matteo Manassero, Marc Leishman
6:47 a.m. -- Francesco Molinari, Jesper Svensson, Connor Graham (a)
6:58 a.m. -- Zach Johnson, Daniel Hillier, Daniel Brown
7:09 a.m. -- Adam Scott, Rickie Fowler, Ethan Fang (a)
7:20 a.m. -- Laurie Canter, Elvis Smylie, Sergio Garcia
7:31 a.m. -- Andrew Novak, Matthieu Pavon, Matt Wallace
7:42 a.m. -- Davis Thompson, Dean Burmester, Rikuya Hoshino
7:53 a.m. -- Si Woo Kim, Shugo Imahira, Sebastian Cave (a)
8:04 a.m. -- Michael Kim, Bud Cauley, John Parry
8:15 a.m. -- Matt McCarty, Shaun Norris, Angel Hidalgo
8:26 a.m. -- Keegan Bradley, Sungjae Im, Daniel Berger
8:37 a.m. -- Rasmus Højgaard, Christiaan Bezuidenhout, Romain Langasque
8:48 a.m. -- Aaron Rai, Sahith Theegala, Harry Hall
9:04 a.m. -- Justin Leonard, Thriston Lawrence, Antoine Rozner
9:15 a.m. -- J.T. Poston, Chris Kirk, Carlos Ortiz
9:26 a.m. -- Brian Harman, Maverick McNealy, Joaquín Niemann
9:37 a.m. -- Russell Henley, Tyrrell Hatton, Min Woo Lee
9:48 a.m. -- Robert MacIntyre, Bryson DeChambeau, Justin Rose
9:59 a.m. -- Jordan Spieth, Ludvig Åberg, Viktor Hovland
10:10 a.m. -- Rory McIlroy, Justin Thomas, Tommy Fleetwood
10:21 a.m. -- Harris English, Nick Taylor, Tony Finau
10:32 a.m. -- Lucas Glover, Jhonattan Vegas, Tom Kim
10:43 a.m. -- Brian Campbell, John Catlin, Frazer Jones (a)
10:54 a.m. -- Nathan Kimsey, Jason Kokrak, Cameron Adam (a)
11:04 a.m. -- Daniel Young, Curtis Luck, Curtis Knipes
11:16 a.m. -- Young-han Song, George Bloor, OJ Farrell
Second round
1:35 a.m. -- Stewart Cink, Matteo Manassero, Marc Leishman
1:46 a.m. -- Francesco Molinari, Jesper Svensson, Connor Graham (a)
1:57 a.m. -- Zach Johnson, Daniel Hillier, Daniel Brown
2:08 a.m. -- Adam Scott, Rickie Fowler, Ethan Fang (a)
2:19 a.m. -- Laurie Canter, Elvis Smylie, Sergio Garcia
2:30 a.m. -- Andrew Novak, Matthieu Pavin, Matt Wallace
2:41 a.m. -- Davis Thompson, Dean Burmester, Rikuya Hoshino
2:52 a.m. -- Si Woo Kim, Shugo Imahira, Sebastian Cave (a)
3:03 a.m. -- Michael Kim, Bud Cauley, John Parry
3:14 a.m. -- Matt McCarty, Shaun Norris, Angel Hidalgo
3:25 a.m. -- Keegan Bradley, Sungjae Im, Daniel Berger
3:36 a.m. -- Rasmus Højgaard, Christiaan Bezuidenhout, Romain Langasque
3:47 a.m. -- Aaron Rai, Sahith Theegala, Harry Hall
4:03 a.m. -- Justin Leonard, Thriston Lawrence, Antoine Rozner
4:14 a.m. -- J.T. Poston, Chris Kirk, Carlos Ortiz
4:25 a.m. -- Brian Harman, Maverick McNealy, Joaquin Niemann
4:36 a.m. -- Russell Henley, Tyrrell Hatton, Min Woo Lee
4:47 a.m. -- Robert MacIntyre, Bryson DeChambeau, Justin Rose
4:58 a.m. -- Jordan Spieth, Ludvig Aberg, Viktor Hovland
5:09 a.m. -- Rory McIlroy, Justin Thomas, Tommy Fleetwood
5:20 a.m. -- Harris English, Nick Taylor, Tony Finau
5:31 a.m. -- Lucas Glover, Jhonattan Vegas, Tom Kim
5:42 a.m. -- Brian Campbell, John Catlin, Frazer Jones (a)
5:53 a.m. -- Nathan Kimsey, Jason Kokrak, Cameron Adam (a)
6:04 a.m. -- Daniel Young, Curtis Luck, Curtis Knipes
6:15 a.m. -- Young-han Song, George Bloor, O.J. Farrell
6:26 a.m. -- Padraig Harrington, Nicolai Højgaard, Tom McKibbin
6:47 a.m. -- Louis Oosthuizen, Guido Migliozzi, K.J. Choi
6:58 a.m. -- Cameron Smith, Marco Penge, Justin Hastings (a)
7:09 a.m. -- Jason Day, Taylor Pendrith, Jacob Skov Olesen
7:20 a.m. -- Phil Mickelson, Daniel van Tonder, Ryan Peake
7:31 a.m. -- Max Greyserman, Byeong Hun An, Niklas Norgaard
7:42 a.m. -- Jordan Smith, Haotong Li, Dustin Johnson
7:53 a.m. -- Darren Clarke, Davis Riley, Lucas Herbert
8:04 a.m. -- Kevin Yu, Julien Guerrier, Mikiya Akutsu
8:15 a.m. -- Thomas Detry, Chris Gotterup, Lee Westwood
8:26 a.m. -- Patrick Cantlay, Cameron Young, Mackenzie Hughes
8:37 a.m. -- Thorbjørn Olesen, Matthew Jordan, Filip Jakubcik (a)
8:48 a.m. -- Henrik Stenson, Stephan Jaeger, Sebastian Soderberg
9:04 a.m. -- Kristoffer Reitan, Martin Couvra, Adrien Saddier
9:15 a.m. -- Takumi Kanaya, Justin Walters, Bryan Newman (a)
9:26 a.m. -- Hideki Matsuyama, Ryan Fox, Matt Fitzpatrick
9:37 a.m. -- Sepp Straka, Ben Griffin, Akshay Bhatia
9:48 a.m. -- Sam Burns, Aldrich Potgieter, Brooks Koepka
9:59 a.m. -- Xander Schauffele, J.J. Spaun, Jon Rahm
10:10 a.m. -- Shane Lowry, Collin Morikawa, Scottie Scheffler
10:21 a.m. -- Corey Conners, Wyndham Clark, Tom Hoge
10:32 a.m. -- Denny McCarthy, Nico Echavarria, Patrick Reed
10:43 a.m. -- Matt Schmid, Ryggs Johnston, Richard Teder (a)
10:54 a.m. -- Dylan Naidoo, Darren Fichardt, John Axelsen
11:05 a.m. -- Justin Suh, Oliver Lindell, Jesper Sandborg
11:16 a.m. -- Sadom Kaewkanjana, Riki Kawamoto, Sampson Zheng