Lee Westwood, Rory McIlroy and Martin Laird have all reached the quarter-finals of the WGC Match Play in Arizona.
Westwood scored a 3&2 victory over Tiger Woods's conqueror Nick Watney, while McIlroy claimed a 3&1 win against Spain's Miguel Angel Jimenez.
A win for either player would put them at the top of the world standings at the end of the week.
Elsewhere, Laird came through his all-Scottish encounter with Paul Lawrie 3&1.
Quarter-finals:
Peter Hanson vs. Mark Wilson
Matt Kuchar vs. Hunter Mahan
Rory McIlroy vs. Sang-Moon Bae
Lee Westwood vs. Martin Laird
