KAANAPALI, Hawaii — CoCo Vandeweghe won the final 10 games to beat Germany’s Andrea Petkovic 3-6, 6-4, 6-0 on Sunday and give the United States an insurmountable 3-0 advantage in their Fed Cup quarterfinal match.
The U.S. advanced to the semifinals for the first time since 2010.
The fourth singles match was cancelled, and the doubles match was set to be played later on Sunday.
The U.S. will host defending champion Czech Republic in the semifinal to be played April 22-23 at a site to be announced. The Czech Republic beat Spain 3-2. The final is set for November.
Vandeweghe, the world’s 20th-ranked player, put the U.S. ahead 2-0 earlier in the day when Julia Goerges retired with an injury in a match that was halted by rain Saturday with Vandeweghe ahead 6-3, 3-1.
Vandeweghe gave credit to the sun-baked Maui crowd, one day after rain pelted the court.
"You guys pulled me through, that’s the bottom line," she said.
Vandeweghe was suffering from cramps in the second set.
"I was just trying to manage, that was basically it, and keep persevering," she said.
Alison Riske put the Americans ahead in the first match Saturday with a 7-6 (10), 6-2 victory over Petkovic.
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Switzerland sweeps Sunday vs. France to advance to semifinals
GENEVA — Switzerland won all three matches Sunday to advance to the semifinals of the Fed Cup with a 4-1 victory over two-time champion France.
Belinda Bencic gave Switzerland an insurmountable 3-1 lead by beating Pauline Parmentier 6-3, 6-4 in the reverse singles after Timea Bacsinszky defeated Kristina Mladenovic 7-6 (4), 4-6, 7-5.
Bacsinszky made it three wins in three games at the World Group first-round match when she teamed up with Martina Hingis in the doubles to beat Amandine Hesse and Mladenovic 6-4, 6-4.
On Saturday, Bacsinszky beat Alize Cornet 7-5, 6-4 in the opener on the indoor hardcourt and Mladenovic levelled for the 2016 finalists when she eased past Bencic 6-3, 6-4.
Belarus hosts Switzerland in the semifinals in April.
