OWINGS MILLS, Md. ó Inbee Park and So Yeon Ryu both birdied the first playoff hole and South Korea eliminated the top-seeded United States and earned a wild-card berth in the International Crown finale.
The South Koreans will join Spain, Thailand, Japan and Sweden on Sunday in a duel for title.
After the American team of Cristie Kerr and Lexi Thompson beat sisters Ariya and Moriya Jutanugarn 3 and 2 in better-ball play, Thailandís Pornanong Phatlum and Onnarin Sattayabanphot edged the team of Paula Creamer and Stacy Lewis 1-up to leave the U.S. in third place in Pool A.
South Korea, the third-place finisher in Pool B, called upon Park and Ryu to face Kerr and Thompson in a wild-card playoff on the par-5 16th hole.
Spain won Pool A with seven points, earning the tiebreaker over Thailand, which also had seven points. The U.S. had six points and Taiwan finished with four.
Japan split with South Korea on Saturday to emerge atop Pool B with eight points, and Sweden swept Australia to finish with seven points. South Korea had six points and the Aussies had three.
Points accumulated over the first three days carry over to Sundayís final round, when each country plays one singles match against every other country.
Langer stretches lead at Senior British
BRIDGEND, Wales ó Bernhard Langer stretched his lead to eight strokes in the Senior British Open, shooting a 3-under 68 at Royal Porthcawl to reach 14-under 199.
The 56-year-old German matched the Champions Tour record for the largest 54-hole lead in a 72-hole event set by Jack Nicklaus in the 1991 Senior PGA. At 14 under, Lander also tied the tournament 54-hole record set by Carl Mason at 14-under 196 in 2003 at Turnberry.
Langer won the 2010 tournament at Carnoustie and lost in a playoff last year at Royal Birkdale. He won the Senior Players Championship last month for his third senior major victory and has three Champions Tour wins this year to push his career total to 21.
Canadaís Rick Gibson was second after a 66. American Bob Tway was 5 under after a 66.
Whiteford shoots 66 for share of lead
MOSCOW ó Scotlandís Peter Whiteford shot a 6-under 66 in windy conditions for a share of the third-round lead with Englandís David Horsey in the Russian Open.
Horsey had a 70 match Whiteford at 13-under 203 at Tseleevo Golf and Polo Club.
Italyís Andrea Pavan, Scotlandís Scott Jamieson and Belgiumís Thomas Pieters were tied for third at 9 under. Pavan shot 64, Jamieson 69, and Pieters 72.