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MOSCOW -- Samantha Stosur will face doubles partner Svetlana Kuznetsova in the semifinals of the Kremlin Cup after both players won in straight sets Friday. Stosur extended her unbeaten run to eight matches by defeating Ana Ivanovic 7-5, 6-4, while Kuznetsova beat second-seeded Roberta Vinci 6-2, 6-3. Also, defending mens champion Andreas Seppi of Italy made it into his fifth semifinal of the season after Edouard Roger-Vasselin retired with a neck strain while trailing 5-2. In a rematch of last years three-set semifinal match between former Grand Slam champions, Ivanovic took a 3-0 lead but Stosur broke back twice to win the opener. An early break in the second set was enough for the Australian to defeat the former top-ranked Ivanovic for the second straight year. "Probably having a match won here last year, I certainly had a few things in my head that I wanted to try to do today against her," Stosur said. "And right from the start it was kind of working and from that my confidence kind of built, and I was able to keep going and play well till the end." Last Sunday, Stosur won the fifth title of her career in Osaka, Japan, while Ivanovic lost in the Linz final. Kuznetsova, a two-time Grand Slam champion, broke twice in the first set. But Vinci offered more resistance in the second, trading breaks twice before the Russian took a 4-2 lead. "Today I played really well in the first set with some slight mistakes in the second, which I managed to overcome," Kuznetsova said. "I hope Ill be able to boost my performance in the next matches as well." The Russian will be playing in her first semifinal this season and her first at a home event since she lost to Serena Williams in 2007. In the mens tournament, Roger-Vasselin strained his neck during the warm-up and had it treated after the first game. "From his first service game and down in the match he couldnt serve normally," Seppi said. "I would never like to win like this but sometimes it happens." Seppi will next play Mikhail Kukushkin, who beat Andrey Golubev 6-4, 7-6 (4). Croatian veteran Ivo Karlovic advanced to his second semifinal of the season by winning eight consecutive games and landing 11 aces to rout Russian teenager Karen Khachanov 6-4, 6-0. Air Max 90 Australia Online . The 90-plus minutes of play are about trends and approach. Air Max 90 Australia Cheap . The Kelowna, B.C. rink made the announcement on their facebook page on Thursday night. http://www.cheapaustraliaairmax90.com/. J.J. Hardy drove in a run for the Orioles, who bounced back from an 8-4 loss in the series opener on Friday. Fresh off the 15-day disabled list, Derrek Lee went 2-for-4 with two runs scored. Jake Arrieta (7-3) gave up three runs on five hits over six innings to pick up the win. Wholesale Air Max 90 Australia . Terrance Broadway threw for 227 yards and Hunter Stover kicked three field goals as the Ragin Cajuns won an unprecedented fourth straight New Orleans Bowl with a 16-3 triumph over Nevada. Cheap Air Max 90 Australia . Cincinnati has lost back-to-back games in overtime, wasting a chance to take a commanding lead in their division.DUBAI, United Arab Emirates -- Venus Williams pummeled Ana Ivanovic 6-2, 6-1 in a second-round match between former world No. 1s at the Dubai Championships on Wednesday. Williams showed the form that once delivered her seven Grand Slam titles. Ivanovic couldnt take advantage of the two break-point opportunities Williams offered in the sixth game of the first set. "Im just trying to play well every day, take one point at a time and learn from my mistakes every match, try to go out there relaxed with a clear mind," said Williams, who won back-to-back Dubai titles in 2009 and 2010. A wild card entrant, Williams lost only seven total points in her other six service games as she moved to a 9-2 record against Ivanovic. However, the Serbian had won their last encounter in a three-set Auckland final last month. "Weve played many times in the past," Ivanovic said. "I definitely think she was a lot more aggressive (than in Auckland). She was stepping in the court way more, coming to the net more often." In the quarterfinals, Williams will play Italian qualifier Flavia Pennetta, who upset second-seeded Agnieszka Radwanska 6-4, 6-1. "The conditions for me are tough," Radwanska said. "The balll was really flying.dddddddddddd "When I dont feel the ball, its not good." She led 4-1 then lost eight games in a row to be 6-4, 3-0 down. Radwanska, the 2012 Dubai champion, also was ousted in the second round at the Qatar Open in Doha last week. In another upset, third-seeded and defending champion Petra Kvitova of the Czech Republic joined Radwanska on the sidelines. Kvitova had a 6-1, 4-2 lead, but couldnt close the door on tenacious Spaniard Carla Suarez Navarro, who won their two hour, 16 minute battle 1-6, 6-4, 7-6 (4). "I start really well, I play pretty aggressively, I made a lot of winners, and she didnt have really time to hit well as she did after," Kvitova said. "And when I was leading in the second set, I lost very badly my serve, and I think that from that moment I was like a little bit mentally down." Sorana Cirstea of Romania upset fourth-seeded Sara Errani of Italy 6-2, 5-7, 6-1, to land a quarterfinal berth against eighth-seeded Caroline Wozniacki of Denmark. Wozniacki defeated Annika Beck of Germany 6-4, 6-4. Fifth-seeded Jelena Jankovic of Serbia beat Lucie Safarova of the Czech Republic 7-5, 6-4 to earn a quarterfinal shot at top-seeded Serena Williams. ' ' '