Rome, Italy (Sports Network) - Serena Williams appears unstoppable. Williams ran her winning streak to 23 straight matches Saturday with a 6-3, 6-0 demolition of Romanias Simona Halep in the semifinals of the Italian Open and will set her sights on a fourth straight title on Sunday against Victoria Azarenka. The last player to beat Williams was Azarenka in the final of the Qatar Open back in February. Williams will get a chance to avenge that defeat, as Azarenka reached the final with a 6-0, 7-5 triumph over Italian crowd favorite Sara Errani. Since the setback to Azarenka in Doha, followed by an injury withdrawal in Dubai, Williams has won titles in Miami, Charleston and last week in Madrid. Only four times during the 23-match streak has she been taken to three sets and no one has done so this week at the Foro Italico. In powering past Laura Robson, Dominika Cibulkova, Carla Suarez Navarro and Halep, Williams has dropped a mere 10 games. Three times, including Saturday, shes completed an unblemished set. Halep actually broke serve to grab a 2-1 lead early in Saturdays match, but it was all Williams from there. Williams broke right back -- the first of her five break conversions -- and fired five aces while winning 57 of the 89 points played in a match that took just 65 minutes. Azarenka won the first seven games of the match against Errani, who threatened to take the second set after a break gave her a 5-4 lead and thrilled the home crowd. Instead, Azarenka broke right back and won the next two games to reach her third final of 2013. Sunday will mark the third scheduled meeting of the year between Williams and Azarenka. Azarenka pulled out of a semifinal meeting in Brisbane because of injury and Williams went on to win that tournament to start the year, but the Belarusian claimed a 7-6 (8-6), 2-6, 6-3 win over the American in the Doha final. "She played well in Doha," said Williams. "I had opportunities I wasnt able to use and Vika played well in the important points. It was a tough tournament, though, and I was happy to be in the final." The two could have met in the Australian Open semifinals, but Sloane Stephens beat Williams in the quarters and Azarenka went on to win the seasons first Grand Slam for a second straight year. Azarenka is 16-11 all-time in finals, including 2-0 in 2013. This will be her first trip to the Rome finale. Williams won the Rome crown in 2002, coincidentally the only year she won the French Open, and last week in Madrid secured her 50th career title. She is bidding for her fifth win of 2013. Azarenkas victory over Williams in Doha was just her second in 13 all-time matchups. Williams had won nine straight in the series, including last years U.S. Open final and the only previous meeting on clay in last years Madrid title match.Cheap Nike Basketball Shoes . The catch: It needs a lot of money, and it needs it fast. 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He was fined $30,000 for a hit on the New York Jets Jeff Cumberland in Week 1.SPOKANE, Wash. -- Jordan Mathews missed a couple of shots early in No. 14 Gonzagas game against San Diego State.The guys said keep shooting, Mathews said.So he did.Mathews scored 17 points, going 5 of 7 on 3-pointers, and the Bulldogs beat San Diego State 69-48 while holding the Aztecs to 28 percent shooting Monday night.We executed our game plan, made them do what we wanted them to do, Mathews said.Zach Collins added 15 points and Nigel Williams-Goss 10 for Gonzaga (2-0) in the ESPN College Hoops Marathon game.Trey Kell and Jeremy Hemsley each had 14 points for San Diego State (1-1).The teams, which last played in 2010, have been among the most successful in the West in recent years. But on this night the Aztecs had trouble scoring, making only 16 of 56 shots and going long periods without a basket.Weve been working on that zone for a while, Mathews said about Gonzagas defense. It makes it really hard for anybody to score on us.Gonzaga won despite shooting just 39 percent.The defense was awesome, coach Mark Few said. They were flying around and anticipating, helping each other.Mathews is a graduate transfer from California who did not arrive on campus until September.On game night he raises his game up, Few said.San Diego State coach Steve Fisher thought the Aztecs hurt themselves.We lost our mental capacity to think at the offensive end, Fisher said.Everything we did was too fast, he added. It looked like we were trying to score 10 points in one possession, and you cant do that. We helped do ourselves in.The Aztecs made only five of their first 21 shots and fell behind 23-12.Mathews had a dunk and a 3-pointer during a 9-0 run to lift Gonzaga to a 344-17 lead.ddddddddddddGonzaga led 36-21 at halftime after holding the Aztecs to 20 percent shooting. They did not have a field goal in the final 6:27 of the first.We played a team tonight that is just as good as any team in the country, Fisher said. So in order for us to hang tough, you have to be able to shoot better than 20 percent.After San Diego State got within 10, Mathews sank a trio of 3-pointers in the span of a couple of minutes to push Gonzagas lead to 45-29.The Zags followed that with a 16-0 run, getting three baskets from Collins, for a 61-31 lead. The Aztecs were scoreless for more than 9 minutes, missing 11 shots from the field, and did not threaten again.POLL IMPLICATIONSSan Diego State was receiving votes in The Associated Press Top 25, but likely will get fewer now. ... Gonzaga has been No. 14 for two straight weeks and might move up.NO ASSISTSSan Diego State did not have an assist in the first half and wound up with only five in the game on 16 field goals. Gonzaga had 16 assists.BIG PICTURESan Diego State: The Aztecs came in with three straight victories in Spokane, beating Gonzaga in 2010 and winning two NCAA Tournament games here in 2014. But they couldnt muster much offense against the Zags.Gonzaga: A good early-season test for the Bulldogs, who proved they can beat a strong defensive team. Their 2010 loss to San Diego State was only their fifth home loss in the McCarthey Athletic Center since it opened in 2004.UP NEXTSan Diego State hosts San Diego Christian on Wednesday.Gonzaga hosts Bryant on Friday. ' ' '