Sharapova won Porsche Grand Prix against Li Na

Maria Sharapova beat Li Na again on Sunday and defended her WTA Porsche Grand Prix title 6-4, 6-3.

Sharapova, the top-seeded Russian became the first player to keep the Stuttgart title since Lindsey Davenport in 2005.

"I thought it'd be the toughest match of the tournament, but I played my best tennis today. I was able to step it up," Sharapova said.

Li Na, second-seeded had a double-fault on match point, and another one earlier in the final game.

"I was under pressure on her return. She was aggressive," Li Na said.

Sharapova opened with a break that gave her a 4-1 lead before Li could pull back 1 break. But Sharapova overwhelmed her and closed the set with a service winner.

Sharapova, Li in Finals

STUTTGART, Germany - Defending champion Maria Sharapova and Li Na will have a final's showdown at the Porsche Tennis Grand Prix in Stuttgart, on Sunday.

Sharapova beat Angelique Kerber 6-3, 2-6, 7-5 while Li won against Bethanie Mattek-Sands 6-4, 6-3.

Sharapova struggled and commited 2 consecutive double-faults to drop her serve at the start of the decisive set, but she won the last 8 points to clinched the match.

"I like it quick and easier, but the great thing is I got through," Sharapova said.

Li had a clean serve for 2-1 in second set, but loses the advantage in the next game with a double-fault. But Mattek-Sands dropped her serve in the seventh game and double-faulted on Li's second match point.

Li became the first Asian player to win a Grand Slam singles title when she became the French Open champion in 2011.

"The match was very tight, she played good tennis," Li said.

Serena, Venus lead United States to Fed Cup World Group Playoff

Venus Williams beat Johanna Larsson 6-3, 7-5 to give the U.S. team a 3-1 lead against Sweden in the Fed Cup World Group Playoff. Earlier, her sister and World No. 1 Serena gave the U.S. team a 2-1 lead when she overwhelmed 54th-ranked Sofia Arvidsson with a 6-2, 6-1 win.

"The hardest thing was trying to decide when to play which one," "At the end of the day, experience just goes a long way. Venus has been there so many times before. To have her in that clinching match for me was really important." U.S. captain Mary Joe Fernandez said.

"To be honest, I wanted to be out there, I told Mary Joe yesterday I feel good, I feel positive. I pumped myself up and I wanted to be there for the team." Venus Williams said.

The final score was 3-2 after the U.S. defaulted the doubles match, giving the doubles point to Sweden, due to injury of three of four of the American players.

The victory guarantees the U.S. a spot in the coveted 2014 Fed Cup World Group, while Sweden will play 2014 World Group II action.

Serena Williams rally to beat Jelena Jankovic in a heated Family Circle Cup Finals

Serena Williams and Jelena Jankovic ot into a testy verbal exchange early in the second set after Williams accused Jankovic of trying to rush her on the service return. Williams won 12 of the final 14 games after the heated argument.

It all started early in the second set with Jankovic serving after having just won the first set.

Jankovic was about to deliver a serve when Williams stopped and held up her racquet indicating she wasn't ready to play the point. The two then verbally sparred with Williams telling Jankovic to "wait until I am ready.''

"Honestly, you have a problem,'' Williams shouted across the net at Jankovic.

Jankovic then protested during the change over to the chair umpire telling him that Williams shouldn't get "special'' treatment.

After the match, Williams insisted she, and Venus, are the most courteous players on the WTA Tour.

"I wasn't ready,'' said Williams.

"I am the most respectful player, other than Venus. I am so respectful to my colleagues.''

At the 2009 US Open Williams once told a line judge she was going to shove a tennis ball down her throat.

Serbia in semis as Djokovic win

World No. 1 Novak Djokovic defeated Sam Querrey of the United States 7-5, 6-7(4), 6-1, 6-0 to clinched the Davis Cup quarter-final tie for Serbia on Sunday.

Djokovic had to battle through an ankle injury he suffered in the opening set to secure the win.

“I am happy I managed to play the whole match,” Djokovic said. “I played really well in the third and fourth set.

“I am sorry for team USA but it was a thrilling weekend for all of us.”

Djokovic had to play through the pain of a bad ankle which he sprained in the third game of the opening set.

“I took some anti-inflammatories and they kicked in at the end of the second set. The anti-inflammatories were very strong,” he said.

“I hope I didn’t make it worse,” he said. “If I wasn’t playing for Serbia and didn’t have my team watching me I don’t know if I would have continued.”

Serbia will meet either Canada or Italy in the semi-finals in September.