Two surprising fashion switches welcomed us at the very start of 2012. Without prior notice, Jelena Jankovic took the 2012 courts in Fila and not in Anta which had been her clothing sponsor for three years. Samantha Stosur also made an apparel change and substituted her Lacoste tennis clothes with Asics, whose shoes she has been wearing for two years.

No official information on Jankovic's cooperation with Fila has been announced yet, but the world No.14 debuted her possible new clothing sponsor in the first round of the Brisbane International, in the match against Carla Suarez Navarro. The Fila Center Court Dress was on the courts for two more matches, until Jankovic lost to Francesca Schiavone in a quarterfinal marathon, 5-7 7-6(2) 6-3, after wasting two match points in the second set.

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A big tennis exhibition featuring six WTA stars (including two Top 10 members) took place on December 16-18 in Singapore and Italian Flavia Pennetta walked away with a victory bowl, defeating Poland's Agnieszka Radwanska in the final 6-4 7-5. Pennetta ended the tournament with a 3-0 win-loss record and besides the older Polish sister she defeated Daniela Hantuchova and 2011 US Open winner Samantha Stosur. Read more »

After Adidas by Stella McCartney, Nike, Adidas Barricade and EleVen, let's see what Lacoste designed for tennis players in 2011, on the example of their most famous representative, Australian Samantha Stosur.

The 27-year-old Stosur had a stellar season highlighted by the US Open trophy, but how successful her year was from a fashion perspective? The highest ranked Lacoste representative changed only a handful of dresses during the season, staying faithful to her unexperimental designs.

When you compare these 2011 clothes with Lacoste from 2010, you will see that even colors haven't changed much: red/orange, white and black are still predominant. Only that the detailing of the three small buttons was abandoned for the 2011 designs, which welcomed stripes for spring and summer. Read more »

On Monday our guest poster and stats lover Omair dug us into the numbers of his detailed analysis about the number of wins year-end Top 10 players scored over Top 10 players in 2011 and their best tournaments. Now it's time for Part 2 and a different perspective – results of the Top 10 stars approached through their losses.

First have a look at the table showing average rank of players who defeated each of the year-end Top 10 players and the lowest-ranked player to beat year-end Top 10 players during 2011. 

Vera Zvonareva needs to be mentioned here for her consistency as she is the only one of the Top 10 who was not beaten by a player ranked outside Top 35, while the rest of her colleagues from this elite group were beaten at least twice. The lowest-ranked player to defeat Zvonareva during 2011 was Tsvetana Pironkova, ranked 33rd (seeded 32nd) during the third round of Wimbledon.

Of Zvonareva's 22 losses only three came at the hands of players ranked between 30 and 35 and interestingly they came at the hands of players ranked 31, 32, and 33. Also, a total of only three losses came at the hands of players ranked between 21 and 29, while the rest of 16 came at the hands of Top 20 players. Average rank of Zvonareva's conquerors was 15, while the average rank of the conquerors of all the remaining Top 10 players was not even within Top 20.

Victoria Azarenka also needs to be mentioned here, because only five of her 17 losses came at the hands of players ranked outside Top 20, and of those five losses two came at the hands of Serena Williams who had low ranking due to her health problems and lack of play. Average rank of Azarenka's conquerors in 2011 was 23.

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We can soon start calling our reader Omair a stats expert. After seeing his "Comparative analysis of Top 10 players and their performance at big tournaments in 2011" received so well, Omair eagerly rushed to thrill us with more analysis, this time focusing on the year-end Top 10 players and the ranking of opponents that they beat in 2011 (Part 1) and on the ranking of opponents that beat them (Part 2). Let the tables do the talking!

The table above shows the number of tournaments where a year-end Top 10 player defeated more than one Top 10 player. Petra Kvitova tops here with three tournaments, at two of which she defeated three or more Top 10 players en route to the title (Madrid and WTA Championships). World number one Caroline Wozniacki is the only Top 10 player who did not beat two Top 10 players in a single tournament.

Let's continue with tables showing tournaments won by each Top 10 player and tournaments where the player (though did not end up winning the event) ended up beating two or more Top 10 players.

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