The bracket is set, and the matches are underway. Here's a look at how the drama unfolded during the final day of pool play at Austin Country Club, with 16 players advancing to the one-and-done portion. Click here for the Day 1 match recaps. Click here for the Day 2 match recaps.
Group 1
Dustin Johnson (1) vs. Kevin Na (28)
Robert MacIntyre (41) vs. Adam Long (61)
Group 2
Justin Thomas (2) def. Louis Oosthuizen (22), 3 and 2: The first match to finish on Friday, between two major champions who had no chance of advancing. Thomas was 2 down through five holes, but finished eagle-par-birdie-birdie for the win. Oosthuizen went 0-3 this week.
Kevin Kisner (34) vs. Matt Kuchar (52)
Group 3
Jon Rahm (3) vs. Ryan Palmer (24)
Shane Lowry (38) vs. Sebastian Munoz (56)
Group 4
Collin Morikawa (4) vs. Billy Horschel (32)
Max Homa vs. J.T. Poston (63)
Group 5
Bryson DeChambeau (5) vs. Tommy Fleetwood (21)
Si Woo Kim (45) vs. Antoine Rozner (58)
Group 6
Xander Schauffele (6) vs. Scottie Scheffler (30)
Jason Day (44) vs. Andy Sullivan (57)
Group 7
Patrick Reed (7) vs. Joaquin Niemann (26)
Christiaan Bezuidenhout (33) vs. Bubba Watson (55)
Group 8
Tyrrell Hatton (8) vs. Lee Westwood (18)
Sergio Garcia (39) vs. Matt Wallace (51)
Group 9
Webb Simpson (9) vs. Paul Casey (17)
Mackenzie Hughes (48) vs. Talor Gooch (59)
Group 10
Patrick Cantlay (10) vs. Hideki Matsuyama (23)
Carlos Ortiz (42) vs. Brian Harman (54)
Group 11
Rory McIlroy (11) vs. Cameron Smith (25)
Lanto Griffin (46) vs. Ian Poulter (60)
Group 12
Tony Finau (12) vs. Jason Kokrak (29)
Will Zalatoris (40) vs. Dylan Frittelli (64)
Group 13
Viktor Hovland (13) vs. Abe Ancer (27)
Bernd Wiesberger (43) vs. Kevin Streelman (53)
Group 14
Daniel Berger (14) vs. Harris English (19)
Brendon Todd (47) vs. Erik van Rooyen (62)
Group 15
Matt Fitzpatrick (15) vs. Matthew Wolff (20)
Corey Conners (37) vs. Jordan Spieth (49)
Group 16
Sungjae Im (16) vs. Victor Perez (31)
Marc Leishman (36) vs. Russell Henley (50)