Nike has officially become the clothing sponsor of Sabine Lisicki. The German used to wear Adidas, but they decided not to renew the contract (possibly because of her long absence due to an ankle injury).

Nike broke the news on Facebook:

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Victory in the title match of the Western & Southern Open was so close to the 2009 Cincinnati champion Jelena Jankovic, but last year’s runner-up Maria Sharapova is never defeated until she loses the match point and her well-known willpower gave her the edge in the crucial second-set tiebreak when the Russian won five successive points.

The match featured 20 double faults and 16 service breaks (8 on both sides), most prominently in the third set in which both players failed to hold their serve in the first six games. Sharapova was the first to stop that trend for a 4-3 lead. An extra break later gave her the set and the match 4-6 7-6(3) 6-3. Read more »

The WTA has added new imagery to their "Strong is Beautiful" campaign, under the title "Active Legends".

Along will players whose faces are not commonly exploited in the WTA marketing, Serena Williams was featured when the campaign launched in May. Venus Williams and Maria Sharapova are now part of the campaign for the first time. Read more »

In the title match of the Western & Southern Open, Maria Sharapova will face the 2009 Cincinnti champion Jelena Jankovic, which will be their first meeting in two years and their fourth meeting in a WTA final.

Sharapova started slow in the semifinal against Vera Zvonareva and lost the first set 6-2. But after dominating the beginning, Zvonareva's concentration dropped, some double faults creeped in and Sharapova's energy level raised. Sharapova won 2-6 6-3 6-3.

As for Jankovic and her semifinal against Andrea Petkovic, after surviving the first set and winning it in a tiebreak, the Serb dominated the second set to advance with a 7-6(4) 6-1 victory.

Sharapova leads Jankovic 5-1 in career meetings, including 2-1 in finals. (photo: © Neal Trousdale)

Twice-defending champion Kim Clijsters will not play the 2011 US Open which starts August 29. The Belgian hasn't recovered from the stomach muscle injury which forced her out of the last week's Rogers Cup. The 28-year-old needs time for rest and treatment and is planning to miss the rest of the season.

"Two weeks of rehab was not enough. Obviously I'm very disappointed. I trained very hard this summer and felt in a good shape to play," said the three-time winner of the US Open.

Clijsters will now be focusing on 2012, says her official website.

The most important thing right now is that I should make a full recovery, so I will also drop the rest of the season. I'll pick up training slowly and carefully and prepare for 2012, but without a specific time frame or pressure. I had two tournaments to go this autumn, but they are not worth the risk. I would not be able to get enough points to compete in the WTA Championship anyway… I am now focusing on 2012, on the Olympics. Who knows? This time I might make it through without any injuries and I might feel up for a last US Open.

(photo: © Neal Trousdale)

In the semifinals of the Western & Southern Open in Cincinnati Vera Zvonareva will play Maria Sharapova and Andrea Petkovic will face Jelena Jankovic.

To reach the final four, world No.2 Vera Zvonareva toughed it out against Daniela Hantuchova. Their second set lasted one hour and 13 minutes and Hantuchova managed to earn a set point even though Zvonareva had a match point at 5-4. However, the Russian finished the match in a tiebreak 6-3 7-6(6). Zvonareva will next play Maria Sharapova, whose quarterfinal against Samantha Stosur lasted shorter than Zvonareva's second set. Sharapova cruised past Stosur, 6-3 6-2 and their head-to-head is now 9-0! Read more »

Last week it was Serena Williams who won when five other Grand Slam champions lost in Toronto, and on Thursday in Cincinnati Maria Sharapova was sole such winner. To reach the quarterfinals Sharapova defeated US Open and Roland Garros champion Svetlana Kuznetsova, and three other Grand Slam champions lost their third-round matches.

In the first set Sharapova broke Kuznetsova for a 3-2 lead and then won five straight games until 2-0 in the second set. Late in the second set Kuznetsova broke Sharapova’s serve, but Sharapova soon advanced with a 6-2 6-3 victory.

Other Grand Slam champions in action, Petra Kvitova, Francesca Schiavone and Li Na, didn't advance to the quarterfinals. Kvitova, the winner of Wimbledon 2011, fell to Andrea Petkovic 6-3 6-3. Roland Garros 2010 champion Schiavone lost to Jelena Jankovic 6-3 5-7 6-4. Jankovic revealed that laziness played a role in her bad results. Reigning Roland Garros champion Li was defeated by Samantha Stosur 6-4 3-6 6-4.

Sharapova's opponent in the quarterfinals will be Samantha Stosur, against whom she has an impressive 8-0 head-to-head record.

And talking about Sharapova, Novak Djokovic has returned to his famous impersonations of the Russian, this time for a Head commercial. Djokovic is wearing a blond wig . By the way, Sharapova is also using a Head racquet.

Here's Maria's comment from her Facebook page:

HAHAHA did you see what Novak Djokovic posted? Hey @Novak, is that your new road to success – trying to be me? I am a little disappointed you did not wear my dress and think you could work on your body language a bit more! And the hair… no comment on that… what do you guys think?

(via Maria Sharapova's official website, photo: © Neal Trousdale)

Caroline Wozniacki is suffering an obvious slump of form and now we know that the reason is most probably that she is no longer being coached by her father, Piotr. He is not her main coach any more, but he shows up as a supplementary coach when needed. In an interview for a Danish media outlet Ekstra Bladet, Piotr didn't want to reveal the name of Caroline's new head coach.

The father-daughter cooperation ended after Wimbledon. The reason behind it could be that Caroline is trying to change her overly defensive style of play and add more aggression. Of course, her father will stay by her side, it's just that he will be less present as a coach.

Fellow tennis blogger DeShawn Besabella featured a Google translation of the interview with Piotr Wozniacki from ekstrabladet.dk. This piece of news is still fresh, we will surely get more details soon. (photo by our reader Tony)

It has been announced in today's WTA press release that the Tour and its players have reached the fan base of 23 million on social media sites, which is an increase of four times in the past 18 months.

The most marketable women's athlete, Maria Sharapova, is leading on Facebook with 5.3 million followers and that number is growing by 250.000 each month. Serena Williams' tweets are the most popular and more than 2.1 million people follow her on Twitter. Li Na is spreading the tennis influence in China and she has 2.7 million fans on Sina Weibo. Read more »

Nadia Petrova started both sets against Ana Ivanovic with a deficit, but the early advantage wasn't enough for the Serb to end up victorious and the Russian won 6-3 7-6(4) at the Western & Southern Open.

The 15th-seeded Ivanovic had a comfortable 6-0 6-2 victory over qualifier Alexa Glatch in the first round, and against Petrova in the second round Ivanovic started the match by breaking her opponent (she quickly lost that advantage, though, when Petrova broke back in the following game) and in the second set Ivanovic established an initial 3-0 lead. However, no advantage was enough to counterbalance Ivanovic's numerous errors, including eleven double faults.

Petrova's next opponent will be Christina McHale, who made the biggest news of the tournament by defeating world No.1 Caroline Wozniacki. (photo: © Neal Trousdale)