American Jay Choi fired a final round seven-under 65 to clinch the Totoumi Hamamatsu Open on Sunday while Australian Kurt Barnes stormed home to finish fourth.

Kim Bi-o clinched his second straight victory while Anthony Brown and Aaron Townsend were Australia's best performers at the SK Telecom Open on Sunday.

World No.1 Yani Tseng and women's US Open champion So Yeon Ryu were among the casualties at the Sybase Match Play Championship.

Australian Jason Day has moved into a share of second position at the HP Byron Nelson Championship after firing a third-round three-under 67.

Graeme McDowell defeated Sergio Garcia to book a semi-final with Rafael Cabrera-Bello at the Volvo World Match Play Championship.

Kim Bi-o will take a two-shot lead into the final round of the SK Telecom Open after carding a five-under 67 on Saturday, with Ashley Hall the best-placed Australian eight shots off the pace.

World No.1 Yani Tseng advanced to the third round of the Sybase Match Play Championship but Cristie Kerr was a major casualty.

Australian Marc Leishman is in a share of second position with five other competitors at the halfway mark of the Byron Nelson Championship.

Australian John Senden has been eliminated from the Volvo Match Play Championship after losing his second round-robin match on Friday.

A seven-under par 65 earned Park Sang-hyun a share of the lead with Kim Bi-o and Rory Hie after round two at the SK Telecom Open in Korea.