Cape Town - South Africa's three representatives in the World Golf Championship-Dell Match Play event all tasted success in their opening round matches on Wednesday.
Louis Oosthuizen beat England's Ross Fisher 4&3, Charl Schwartzel was in imperious form, trouncing South Korea's An Byeong-Hun 6&5, while Branden Grace rounded off a memorable Day 1 beating England's Andy Sullivan 4&2.
In their Round 2 matches, Oosthuizen will take on American veteran Jim Furyk (17:03), Schwartzel tackles Dutchman Joost Luiten (21:49), while Grace faces little-known American William McGirt (20:54).
Results from Wednesday's opening round of the World Golf Championships-Dell Match Play at Austin (Texas) Country Club (USA unless noted):
Group 1
Dustin Johnson bt Webb Simpson 5&3
Martin Kaymer (GER) bt Jimmy Walker 3&2
Group 2
Soren Kjeldsen (DEN) bt Rory McIlroy (NIR) 2&1
Gary Woodland bt Emiliano Grillo (ARG) 3&2
Group 3
Pat Perez bt Jason Day (AUS) by withdrawal
Marc Leishman (AUS) bt Lee Westwood (ENG) 3&2
Group 4
Hideki Matsuyama (JPN) and Jim Furyk halved
Louis Oosthuizen (RSA) bt Ross Fisher (ENG) 4&3
Group 5
Hideto Tanihara (JPN) bt Jordan Spieth 4&2
Ryan Moore and Yuta Ikeda (JPN) halved
Group 6
Justin Thomas bt Chris Wood (ENG) 2&1
Kevin Na bt Matthew Fitzpatrick (ENG) 5&4
Group 7
Sergio Garcia (ESP) and Shane Lowry (IRL) halved
Jon Rahm (ESP) bt Kevin Chappell 3&2
Group 8
Alex Noren (SWE) bt Thongchai Jaidee (THA) 3&2
Bernd Wiesberger (AUT) bt Francesco Molinari (ITA) 2 up
Group 9
Patrick Reed and Jason Dufner halved
Brooks Koepka bt Kevin Kisner 6&5
Group 10
Tyrell Hatton (ENG) bt Charles Howell 2&1
Rafa Cabrera Bello (ESP) bt Wang Jeung-Hun (KOR) 4&3
Group 11
Kim Kyung-Tae (KOR) bt Danny Willett (ENG) 4&2
Russell Knox (SCO) bt Bill Haas 3&2
Group 12
Paul Casey (ENG) bt Joost Luiten (NED) 2&1
Charl Schwartzel (RSA) bt An Byeong-Hun (KOR) 6&5
Group 13
Bubba Watson bt Jhonattan Vegas (VEN) 1 up
Thomas Pieters (BEL) bt Scott Piercy 3&2
Group 14
Phil Mickelson bt Kim Si-Woo (KOR) 5&3
Daniel Berger bt J.B. Holmes 7&5
Group 15
Branden Grace (RSA) bt Andy Sullivan (ENG) 4&2
William McGirt bt Brandt Snedeker 2 up
Group 16
Matt Kuchar and Brendan Steele halved
Tommy Fleetwood (ENG) bt Zach Johnson 1 up